Length of hospital stay and survival of hospitalized COVID-19 patients during the second wave of the pandemic: A single centre retrospective study from Slovenia
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Grasselli G, Pesenti A, Cecconi M. Critical care utilization for the COVID-19 outbreak in Lombardy, Italy: early experience and forecast during an emergency response. JAMA. 2020;323:1545-6. doi: 10.1001/jama.2020.4031.GrasselliGPesentiACecconiMCritical care utilization for the COVID-19 outbreak in Lombardy, Italy: early experience and forecast during an emergency responseJAMA20203231545610.1001/jama.2020.4031Open DOISearch in Google Scholar
Arabi YM, Murthy S, Webb S. COVID-19: a novel coronavirus and a novel challenge for critical care. Intensive Care Med. 2020;46:833-6. doi: 10.1007/s00134-020-05955-1.ArabiYMMurthySWebbSCOVID-19: a novel coronavirus and a novel challenge for critical careIntensive Care Med202046833610.1007/s00134-020-05955-1Open DOISearch in Google Scholar
Moghadas SM, Shoukat A, Fitzpatrick MC, Wells CR, Sah P, Pandey A, et al. Projecting hospital utilization during the COVID-19 outbreaks in the United States. Proc Natl Acad Sci USA. 2020;117:9122-6. doi: 10.1073/pnas.2004064117.MoghadasSMShoukatAFitzpatrickMCWellsCRSahPPandeyAet alProjecting hospital utilization during the COVID-19 outbreaks in the United StatesProc Natl Acad Sci USA20201179122610.1073/pnas.2004064117Open DOISearch in Google Scholar
IHME COVID-19 health service utilization forecasting tim. Forecasting COVID-19 impact on hospital bed-days, ICU-days, ventilator-days and deaths by US state in the next 4 months. MedRxiv. 2020. doi: 10.1101/2020.03.27.20043752.IHME COVID-19 health service utilization forecasting timForecasting COVID-19 impact on hospital bed-days, ICU-days, ventilator-days and deaths by US state in the next 4 monthsMedRxiv202010.1101/2020.03.27.20043752Open DOISearch in Google Scholar
Halpern NA, Goldman DA, Tan KS, Pastores SM. Trends in critical care beds and use among population groups and Medicare and Medicaid beneficiaries in the United States: 2000–2010. Crit Care Med. 2016;44:1490-9. doi: 10.1097/CCM.0000000000001722.HalpernNAGoldmanDATanKSPastoresSMTrends in critical care beds and use among population groups and Medicare and Medicaid beneficiaries in the United States: 2000–2010Crit Care Med2016441490910.1097/CCM.0000000000001722Open DOISearch in Google Scholar
Rees EM, Nightingale ES, Jafari Y, Waterlow NR, Clifford S, Pearson CA, et al. COVID-19 length of hospital stay: a systematic review and data synthesis. BMC Med. 2020;18:270. doi: 10.1186/s12916-020-01726-3.ReesEMNightingaleESJafariYWaterlowNRCliffordSPearsonCAet alCOVID-19 length of hospital stay: a systematic review and data synthesisBMC Med20201827010.1186/s12916-020-01726-3Open DOISearch in Google Scholar
Wynants L, Van Calster B, Collins GS, Riley RD, Heinze G, Schuit E, et al. Prediction models for diagnosis and prognosis of covid-19: systematic review and critical appraisal. BMJ. 2020;369:m1328. doi: 10.1136/bmj.m1328.WynantsLVanCalster BCollinsGSRileyRDHeinzeGSchuitEet alPrediction models for diagnosis and prognosis of covid-19: systematic review and critical appraisalBMJ2020369m132810.1136/bmj.m1328Open DOISearch in Google Scholar
Manevski D, Pohar Perme M. Estimation of the reproductive number and the outbreak size of SARS-CoV-2 in Slovenia. Zdrav Vestn. 2020;89:591-602. doi: 10.6016/ZdravVestn.3068.ManevskiDPoharPerme MEstimation of the reproductive number and the outbreak size of SARS-CoV-2 in SloveniaZdrav Vestn20208959160210.6016/ZdravVestn.3068Open DOISearch in Google Scholar
Ružić Gorenjec N, Kejžar N, Manevski D, Pohar Perme M, Vratanar B, Blagus R. COVID-19 in Slovenia, from a success story to disaster: what lessons can be learned?. Life, 2021;11(10):1045. doi: 10.3390/life11101045RužićGorenjec NKejžarNManevskiDPoharPerme MVratanarBBlagusRCOVID-19 in Slovenia, from a success story to disaster: what lessons can be learned?Life20211110104510.3390/life11101045Open DOISearch in Google Scholar
Zhou F, Yu T, Du R, Fan G, Liu Y, Liu Z, et al. Clinical course and risk factors for mortality of adult inpatients with COVID-19 in Wuhan, China: a retrospective cohort study. Lancet. 2020;395:1054-62. doi: 10.1016/S0140-6736(20)30566-3.ZhouFYuTDuRFanGLiuYLiuZet alClinical course and risk factors for mortality of adult inpatients with COVID-19 in Wuhan, China: a retrospective cohort studyLancet202039510546210.1016/S0140-6736(20)30566-3Open DOISearch in Google Scholar
Cao B, Wang Y, Wen D, Liu W, Wang J, Fan G, et al. A trial of Lopinavir-Ritonavir in adults hospitalized with severe Covid-19. N Engl J Med. 2020;382;1787-99. doi: 10.1056/NEJMoa2001282.CaoBWangYWenDLiuWWangJFanGet alA trial of Lopinavir-Ritonavir in adults hospitalized with severe Covid-19N Engl J Med202038217879910.1056/NEJMoa2001282Open DOISearch in Google Scholar
Therneau TM, Lumley T. Package ‘survival’. R Top Doc. 2015;128:28-33.TherneauTMLumleyTPackage ‘survival’R Top Doc2015128283310.1017/S0305862X00023499Search in Google Scholar
de Wreede LC, Fiocco M, Putter H. The mstate: an R package for the analysis of competing risks and multi-state models. J Stat Softw. 2011;38:1-30. doi: 10.18637/jss.v038.i07deWreede LCFioccoMPutterHThe mstate: an R package for the analysis of competing risks and multi-state modelsJ Stat Softw20113813010.18637/jss.v038.i07Open DOISearch in Google Scholar
R Core Team. R: a language and environment for statistical computing. R Foundation for Statistical Computing, Vienna. Accessed January 25th, 2022 at:: https://www.R-project.org/R Core TeamR: a language and environment for statistical computing. R Foundation for Statistical ComputingViennaAccessed January 25th2022athttps://www.R-project.org/Search in Google Scholar
Oliveira E, Parikh A, Lopez-Ruiz A, Carrilo M, Goldberg J, Cearras M, et al. ICU outcomes and survival in patients with severe COVID-19 in the largest health care system in central Florida. PLoS One. 2021;16:e0249038. doi: 10.1371/journal.pone.0249038.OliveiraEParikhALopez-RuizACarriloMGoldbergJCearrasMet alICU outcomes and survival in patients with severe COVID-19 in the largest health care system in central FloridaPLoS One202116e024903810.1371/journal.pone.0249038Open DOISearch in Google Scholar
Guillon A, Laurent E, Godillon L, Kimmoun A, Grammatico-Guillon L. In-hospital mortality rates of critically ill COVID-19 patients in France: a nationwide cross-sectional study of 45,409 ICU patients. Br J Anaesth. 2021;127:e180-2. doi: 10.1016/j.bja.2021.08.006.GuillonALaurentEGodillonLKimmounAGrammatico-GuillonLIn-hospital mortality rates of critically ill COVID-19 patients in France: a nationwide cross-sectional study of 45,409 ICU patientsBr J Anaesth2021127e180210.1016/j.bja.2021.08.006Open DOISearch in Google Scholar
Mishra V, Burma AD, Das SK, Parivallal MB, Amudhan S, Rao GN. COVID-19-hospitalized patients in Karnataka: survival and stay characteristics. Indian J Public Health. 2020;64:S221-4. doi: 10.4103/ijph.IJPH_486_20.MishraVBurmaADDasSKParivallalMBAmudhanSRaoGNCOVID-19-hospitalized patients in Karnataka: survival and stay characteristicsIndian J Public Health202064S221410.4103/ijph.IJPH_486_20Open DOISearch in Google Scholar
Vekaria B, Overton C, Wiśniowski A, Ahmad S, Aparicio-Castro A, Curran-Sebastian J, et al. Hospital length of stay for COVID-19 patients: data-driven methods for forward planning. BMC Infect Dis. 2021;21:700. doi: 10.1186/s12879-021-06371-6.VekariaBOvertonCWiśniowskiAAhmadSAparicio-CastroACurran-SebastianJet alHospital length of stay for COVID-19 patients: data-driven methods for forward planningBMC Infect Dis20212170010.1186/s12879-021-06371-6Open DOISearch in Google Scholar
Jamshidi B, Jamshidi Zargaran S, Bekrizadeh H, Rezaei M, Najafi F. Comparing length of hospital stay during COVID-19 pandemic in the USA, Italy and Germany. Int J Qual Health Care. 2021;33:mzab050. doi: 10.1093/intqhc/mzab050.JamshidiBJamshidiZargaran SBekrizadehHRezaeiMNajafiFComparing length of hospital stay during COVID-19 pandemic in the USA, Italy and GermanyInt J Qual Health Care202133mzab05010.1093/intqhc/mzab050Open DOISearch in Google Scholar
Rodriguez-Gonzalez CG, Chamorro-de-Vega E, Valerio M, Amor-Garcia MA, Tejerina F, Sancho-Gonzalez M, et al. COVID-19 in hospitalised patients in Spain: a cohort study in Madrid. Int J Antimicrob Agents. 2021;57:106249. doi: 10.1016/j.ijantimicag.2020.106249.Rodriguez-GonzalezCGChamorro-de-VegaEValerioMAmor-GarciaMATejerinaFSancho-GonzalezMet alCOVID-19 in hospitalised patients in Spain: a cohort study in MadridInt J Antimicrob Agents20215710624910.1016/j.ijantimicag.2020.106249Open DOISearch in Google Scholar
Cummings MJ, Baldwin MR, Abrams D, Jacobson SD, Meyer BJ, Balough EM, et al. Epidemiology, clinical course, and outcomes of critically ill adults with COVID-19 in New York City: a prospective cohort study. Lancet. 2020;395:1763-70. doi: 10.1016/S0140-6736(20)31189-2.CummingsMJBaldwinMRAbramsDJacobsonSDMeyerBJBaloughEMet alEpidemiology, clinical course, and outcomes of critically ill adults with COVID-19 in New York City: a prospective cohort studyLancet202039517637010.1016/S0140-6736(20)31189-2Open DOISearch in Google Scholar
Lewnard JA, Liu VX, Jackson ML, Schmidt MA, Jewell BL, Flores JP, et al. Incidence, clinical outcomes, and transmission dynamics of severe coronavirus disease 2019 in California and Washington: prospective cohort study. BMJ. 2020;369:m1923. doi: 10.1136/bmj.m1923.LewnardJALiuVXJacksonMLSchmidtMAJewellBLFloresJPet alIncidence, clinical outcomes, and transmission dynamics of severe coronavirus disease 2019 in California and Washington: prospective cohort studyBMJ2020369m192310.1136/bmj.m1923724380032444358Open DOISearch in Google Scholar
Zangrillo A, Beretta L, Silvani P, Colombo S, Scandroglio AM, Dell’Acqua A, et al. Fast reshaping of intensive care unit facilities in a large metropolitan hospital in Milan, Italy: facing the COVID-19 pandemic emergency. Crit Care Resusc. 2020;22:91-4. doi: 10.3316/informit.196484700544171.ZangrilloABerettaLSilvaniPColomboSScandroglioAMDell’AcquaAet alFast reshaping of intensive care unit facilities in a large metropolitan hospital in Milan, Italy: facing the COVID-19 pandemic emergencyCrit Care Resusc20202291410.3316/informit.196484700544171Open DOISearch in Google Scholar
Phua J, Weng L, Ling L, Egi M, Lim C-M, Divatia JV, et al. Intensive care management of coronavirus disease 2019 (COVID-19): challenges and recommendations. Lancet Respir Med. 2020;8:506-17. doi: 10.1016/S2213-2600(20)30161-2.PhuaJWengLLingLEgiMLimC-MDivatiaJVet alIntensive care management of coronavirus disease 2019 (COVID-19): challenges and recommendationsLancet Respir Med202085061710.1016/S2213-2600(20)30161-2Open DOISearch in Google Scholar
Armstrong R, Kane A, Cook T. Outcomes from intensive care in patients with COVID‐19: a systematic review and meta‐analysis of observational studies. Anaesthesia. 2020;75:1340-9. doi: 10.1111/anae.15201.ArmstrongRKaneACookTOutcomes from intensive care in patients with COVID‐19: a systematic review and meta‐analysis of observational studiesAnaesthesia2020751340910.1111/anae.15201Open DOISearch in Google Scholar
Kung S, Doppen M, Black M, Braithwaite I, Kearns C, Weatherall M, et al. Underestimation of COVID-19 mortality during the pandemic. ERJ Open Res. 2021;7:00766-2020. doi: 10.1183/23120541.00766-2020.KungSDoppenMBlackMBraithwaiteIKearnsCWeatherallMet alUnderestimation of COVID-19 mortality during the pandemicERJ Open Res2021700766202010.1183/23120541.00766-2020Open DOISearch in Google Scholar
Macedo A, Gonçalves N, Febra C. COVID-19 fatality rates in hospitalized patients: systematic review and meta-analysis. Ann Epidemiol. 2021;57:14-21. doi: 10.1016/j.annepidem.2021.02.012.MacedoAGonçalvesNFebraCCOVID-19 fatality rates in hospitalized patients: systematic review and meta-analysisAnn Epidemiol202157142110.1016/j.annepidem.2021.02.012Open DOISearch in Google Scholar
Grasselli G, Zangrillo A, Zanella A, Antonelli M, Cabrini L, Castelli A, et al. Baseline characteristics and outcomes of 1591 patients infected with SARS-CoV-2 admitted to ICUs of the Lombardy region, Italy. Jama. 2020;323:1574-81. doi: 10.1001/jama.2020.5394.GrasselliGZangrilloAZanellaAAntonelliMCabriniLCastelliAet alBaseline characteristics and outcomes of 1591 patients infected with SARS-CoV-2 admitted to ICUs of the Lombardy region, ItalyJama202032315748110.1001/jama.2020.5394Open DOISearch in Google Scholar
Wang D, Hu B, Hu C, Zhu F, Liu X, Zhang J, et al. Clinical characteristics of 138 hospitalized patients with 2019 novel coronavirus–infected pneumonia in Wuhan, China. Jama. 2020;323:1061-9. doi: 10.1001/jama.2020.1585.WangDHuBHuCZhuFLiuXZhangJet alClinical characteristics of 138 hospitalized patients with 2019 novel coronavirus–infected pneumonia in Wuhan, ChinaJama20203231061910.1001/jama.2020.1585Open DOISearch in Google Scholar
Huang C, Wang Y, Li X, Ren L, Zhao J, Hu Y, et al. Clinical features of patients infected with 2019 novel coronavirus in Wuhan, China. Lancet. 2020;395:497-506. doi: 10.1016/S0140-6736(20)30183-5.HuangCWangYLiXRenLZhaoJHuYet alClinical features of patients infected with 2019 novel coronavirus in Wuhan, ChinaLancet202039549750610.1016/S0140-6736(20)30183-5Open DOISearch in Google Scholar
Yang X, Yu Y, Xu J, Shu H, Liu H, Wu Y, et al. Clinical course and outcomes of critically ill patients with SARS-CoV-2 pneumonia in Wuhan, China: a single-centered, retrospective, observational study. Lancet Respir Med. 2020;8:475-81. doi: 10.1016/S2213-2600(20)30079-5.YangXYuYXuJShuHLiuHWuYet alClinical course and outcomes of critically ill patients with SARS-CoV-2 pneumonia in Wuhan, China: a single-centered, retrospective, observational studyLancet Respir Med202084758110.1016/S2213-2600(20)30079-5Open DOISearch in Google Scholar
Arentz M, Yim E, Klaff L, Lokhandwala S, Riedo FX, Chong M, et al. Characteristics and outcomes of 21 critically ill patients with COVID-19 in Washington State. Jama. 2020;323:1612-4. doi: 10.1001/jama.2020.4326.ArentzMYimEKlaffLLokhandwalaSRiedoFXChongMet alCharacteristics and outcomes of 21 critically ill patients with COVID-19 in Washington StateJama20203231612410.1001/jama.2020.4326708276332191259Open DOISearch in Google Scholar
Zhou F, Yu T, Du R, Fan G, Liu Y, Liu Z, et al. Clinical course and risk factors for mortality of adult inpatients with COVID-19 in Wuhan, China: a retrospective cohort study. Lancet. 2020;395:1054-62. doi: 10.1016/S0140-6736(20)30566-3.ZhouFYuTDuRFanGLiuYLiuZet alClinical course and risk factors for mortality of adult inpatients with COVID-19 in Wuhan, China: a retrospective cohort studyLancet202039510546210.1016/S0140-6736(20)30566-3Open DOISearch in Google Scholar
Bhatraju PK, Ghassemieh BJ, Nichols M, Kim R, Jerome KR, Nalla AK, et al. Covid-19 in critically ill patients in the Seattle region - case series. N Engl J Med. 2020;382:2012-22. doi: 10.1056/NEJMoa2004500.BhatrajuPKGhassemiehBJNicholsMKimRJeromeKRNallaAKet alCovid-19 in critically ill patients in the Seattle region - case seriesN Engl J Med202038220122210.1056/NEJMoa2004500Open DOISearch in Google Scholar
Gray WK, Navaratnam AV, Day J, Babu P, Mackinnon S, Adelaja I, et al. Variability in COVID-19 in-hospital mortality rates between national health service trusts and regions in England: a national observational study for the Getting It Right First Time Programme. EClin Med. 2021;35:100859. doi: 10.1016/j.eclinm.2021.100859.GrayWKNavaratnamAVDayJBabuPMackinnonSAdelajaIet alVariability in COVID-19 in-hospital mortality rates between national health service trusts and regions in England: a national observational study for the Getting It Right First Time ProgrammeEClin Med20213510085910.1016/j.eclinm.2021.100859Open DOISearch in Google Scholar
Olivas-Martínez A, Cárdenas-Fragoso JL, Jiménez JV, Lozano-Cruz OA, Ortiz-Brizuela E, Tovar-Méndez VH, et al. In-hospital mortality from severe COVID-19 in a tertiary care center in Mexico City: causes of death, risk factors and the impact of hospital saturation. PLoS One. 2021;16:e0245772. doi: 10.1371/journal.pone.0245772.Olivas-MartínezACárdenas-FragosoJLJiménezJVLozano-CruzOAOrtiz-BrizuelaETovar-MéndezVHet alIn-hospital mortality from severe COVID-19 in a tertiary care center in Mexico City: causes of death, risk factors and the impact of hospital saturationPLoS One202116e024577210.1371/journal.pone.0245772Open DOISearch in Google Scholar
Richardson S, Hirsch JS, Narasimhan M, Crawford JM, McGinn T, Davidson KW, et al. Presenting characteristics, comorbidities, and outcomes among 5700 patients hospitalized with COVID-19 in the New York City area. Jama. 2020;323:2052-9. doi: 10.1001/jama.2020.6775.RichardsonSHirschJSNarasimhanMCrawfordJMMcGinnTDavidsonKWet alPresenting characteristics, comorbidities, and outcomes among 5700 patients hospitalized with COVID-19 in the New York City areaJama20203232052910.1001/jama.2020.6775Open DOISearch in Google Scholar
Ñamendys-Silva SA, Gutiérrez-Villaseñor A, Romero-González JP. Hospital mortality in mechanically ventilated COVID-19 patients in Mexico. Intensive Care Med. 2020;46:2086-8. doi: 10.1007/s00134-020-06256-3.Ñamendys-SilvaSAGutiérrez-VillaseñorARomero-GonzálezJPHospital mortality in mechanically ventilated COVID-19 patients in MexicoIntensive Care Med2020462086810.1007/s00134-020-06256-3Open DOISearch in Google Scholar
ICNARC report on COVID-19 in critical care: 24 April 2020. Accessed January 25th, 2022 at: https://www.icnarc.org/Our-Audit/Audits/Cmp/ReportsICNARC report on COVID-19 in critical care: 24 April2020Accessed January 25th, 2022 athttps://www.icnarc.org/Our-Audit/Audits/Cmp/ReportsSearch in Google Scholar
Karagiannidis C, Mostert C, Hentschker C, Voshaar T, Malzahn J, Schillinger G, et al. Case characteristics, resource use, and outcomes of 10021 patients with COVID-19 admitted to 920 German hospitals: an observational study. Lancet Respir Med. 2020;8:853-62. doi: 10.1016/S2213-2600(20)30316-7.KaragiannidisCMostertCHentschkerCVoshaarTMalzahnJSchillingerGet alCase characteristics, resource use, and outcomes of 10021 patients with COVID-19 admitted to 920 German hospitals: an observational studyLancet Respir Med202088536210.1016/S2213-2600(20)30316-7Open DOISearch in Google Scholar
Tian W, Jiang W, Yao J, Nicholson CJ, Li RH, Sigurslid HH, et al. Predictors of mortality in hospitalized COVID‐19 patients: a systematic review and meta‐analysis. J Med Virol. 2020;92:1875-83. doi: 10.1002/jmv.26050TianWJiangWYaoJNicholsonCJLiRHSigurslidHHet alPredictors of mortality in hospitalized COVID‐19 patients: a systematic review and meta‐analysisJ Med Virol20209218758310.1002/jmv.26050728066632441789Open DOISearch in Google Scholar
Wang Y, Lu X, Li Y, Chen H, Chen T, Su N, et al. Clinical course and outcomes of 344 intensive care patients with COVID-19. Am J Respir Crit Care Med. 2020;201:1430-4. doi: 10.1164/rccm.202003-0736LE.WangYLuXLiYChenHChenTSuNet alClinical course and outcomes of 344 intensive care patients with COVID-19Am J Respir Crit Care Med20202011430410.1164/rccm.202003-0736LE725863232267160Open DOISearch in Google Scholar
Iaccarino G, Grassi G, Borghi C, Ferri C, Salvetti M, Volpe M. Age and multimorbidity predict death among COVID-19 patients: results of the SARS-RAS study of the Italian Society of Hypertension. Hypertension. 2020;76:366-72. doi: 10.1161/HYPERTENSIONAHA.120.15324.IaccarinoGGrassiGBorghiCFerriCSalvettiMVolpeMAge and multimorbidity predict death among COVID-19 patients: results of the SARS-RAS study of the Italian Society of HypertensionHypertension2020763667210.1161/HYPERTENSIONAHA.120.1532432564693Open DOISearch in Google Scholar
Romero Starke K, Petereit-Haack G, Schubert M, Kämpf D, Schliebner A, Hegewald J, et al. The age-related risk of severe outcomes due to COVID-19 infection: a rapid review, meta-analysis, and meta-regression. Int J Environ Res Public Health. 2020;17:5974. doi: 10.3390/ijerph17165974.RomeroStarke KPetereit-HaackGSchubertMKämpfDSchliebnerAHegewaldJet alThe age-related risk of severe outcomes due to COVID-19 infection: a rapid review, meta-analysis, and meta-regressionInt J Environ Res Public Health202017597410.3390/ijerph17165974746044332824596Open DOISearch in Google Scholar
Peckham H, de Gruijter NM, Raine C, Radziszewska A, Ciurtin C, Wedderburn LR, et al. Male sex identified by global COVID-19 meta-analysis as a risk factor for death and ITU admission. Nat Commun. 2020;11:6317. doi: 10.1038/s41467-020-19741-6.PeckhamHde GruijterNMRaineCRadziszewskaACiurtinCWedderburnLRet alMale sex identified by global COVID-19 meta-analysis as a risk factor for death and ITU admissionNat Commun202011631710.1038/s41467-020-19741-6772656333298944Open DOISearch in Google Scholar
Nguyen NT, Chinn J, De Ferrante M, Kirby KA, Hohmann SF, Amin A. Male gender is a predictor of higher mortality in hospitalized adults with COVID-19. Plos One. 2021;16:e0254066. doi: 10.1371/journal.pone.0254066.NguyenNTChinnJDeFerrante MKirbyKAHohmannSFAminAMale gender is a predictor of higher mortality in hospitalized adults with COVID-19Plos One202116e025406610.1371/journal.pone.0254066827014534242273Open DOISearch in Google Scholar
Emami A, Javanmardi F, Pirbonyeh N, Akbari A. Prevalence of underlying diseases in hospitalized patients with COVID-19: a systematic review and meta-analysis. Arch Acad Emerg Med. 2020;8:e35.EmamiAJavanmardiFPirbonyehNAkbariAPrevalence of underlying diseases in hospitalized patients with COVID-19: a systematic review and meta-analysisArch Acad Emerg Med20208e3510.1371/journal.pone.0241265758416733095835Search in Google Scholar
Yang J, Zheng Y, Gou X, Pu K, Chen Z, Guo Q, et al. Prevalence of comorbidities in the novel Wuhan coronavirus (COVID-19) infection: a systematic review and meta-analysis. Int J Infect Dis. 2020;94:91-5. doi: 10.1016/j.ijid.2020.03.017.YangJZhengYGouXPuKChenZGuoQet alPrevalence of comorbidities in the novel Wuhan coronavirus (COVID-19) infection: a systematic review and meta-analysisInt J Infect Dis20209491510.1016/j.ijid.2020.03.017719463832173574Open DOISearch in Google Scholar
Roth GA, Emmons-Bell S, Alger HM, Bradley SM, Das SR, De Lemos JA, et al. Trends in patient characteristics and COVID-19 in-hospital mortality in the United States during the COVID-19 pandemic. JAMA Netw Open. 2021;4:e218828. doi: 10.1001/jamanetworkopen.2021.8828.RothGAEmmons-BellSAlgerHMBradleySMDasSRDe LemosJAet alTrends in patient characteristics and COVID-19 in-hospital mortality in the United States during the COVID-19 pandemicJAMA Netw Open20214e21882810.1001/jamanetworkopen.2021.8828809401433938933Open DOISearch in Google Scholar
Velikonja NK, Erjavec K, Verdenik I, Hussein M, Velikonja VG. Association between preventive behaviour and anxiety at the start of the COVID-19 pandemic in Slovenia. Zdr Varst. 2020;60:17-24. doi: 10.2478/sjph-2021-0004.VelikonjaNKErjavecKVerdenikIHusseinMVelikonjaVGAssociation between preventive behaviour and anxiety at the start of the COVID-19 pandemic in SloveniaZdr Varst202060172410.2478/sjph-2021-0004778076733488818Open DOISearch in Google Scholar
Jordan T, Siuka D, Kozjek Rotovnik M, Pfeifer M. COVID-19 and vitamin D - a systematic review. Zdr Varst. 2022;61:124-32. doi: 10.2478/sjph-2022-0017.JordanTSiukaDKozjekRotovnik MPfeiferMCOVID-19 and vitamin D - a systematic reviewZdr Varst2022611243210.2478/sjph-2022-0017893759135432612Open DOISearch in Google Scholar