[1. Hunt SA, Abraham WT, Chin MH, Feldman AM, Francis GS, Ganiats TG, et al. 2009 focused update incorporated into the ACC/AHA 2005 Guidelines for the diagnosis and management of heart failure in adults: a report of the American College of Cardiology Foundation/American Heart Association Task Force on practice guidelines: developed in collaboration with the International Society for Heart and Lung Transplantation. Circulation. 2009; 119:e391-479.10.1161/CIRCULATIONAHA.109.192065]Search in Google Scholar
[2. Wibulpolprasert S, Sirilak S, Ekachampaka P, Wattanamano N, Taverat R. Thailand Health Profile 2005-2007. Bangkok: The War Veterans Organization of Thailand; 2007.]Search in Google Scholar
[3. Rector TS. A conceptual model of quality of life in relation to heart failure. J Card Fail. 2005; 11:173-6.10.1016/j.cardfail.2004.09.002]Open DOISearch in Google Scholar
[4. Evangelista LS, Moser DK, Westlake C, Hamilton MA, Fonarow GC, Dracup K. Impact of obesity on quality of life and depression in patients with heart failure. Eur J Heart Fail. 2006; 8:750-5.10.1016/j.ejheart.2006.02.004]Search in Google Scholar
[5. Franzen K, Blomqvist K, Saveman BI. Impact of chronic heart failure on elderly persons’ daily life: a validation study. Eur J Cardiovasc Nurs. 2006; 5:137-45.10.1016/j.ejcnurse.2005.09.003]Open DOISearch in Google Scholar
[6. Sadik A, Yousif M, McElnay JC. Pharmaceutical care of patients with heart failure. Br J Clin Pharmacol. 2005; 60:183-93.10.1111/j.1365-2125.2005.02387.x]Open DOISearch in Google Scholar
[7. Varma S, McElnay JC, Hughes CM, Passmore AP, Varma M. Pharmaceutical care of patients with congestive heart failure: interventions and outcomes. Pharmacotherapy. 1999; 19:860-9.10.1592/phco.19.10.860.31565]Open DOISearch in Google Scholar
[8. Rodriguez-Artalejo F, Guallar-Castillon P, Pascual CR, Otero CM, Montes AO, Garcia AN, et al. Health-related quality of life as a predictor of hospital readmission and death among patients with heart failure. Arch Intern Med. 2005; 165:1274-9.10.1001/archinte.165.11.1274]Search in Google Scholar
[9. Rascati KL. Essentials of pharmacoeconomics. Philadelphia: Lippincott Williams & Wilkins; 2009.]Search in Google Scholar
[10. Rector TS, Kubo SH, Cohn JN. Patients’ selfassessment of their congestive heart failure: content, reliability and validity of a new measure, the Minnesota Living With Heart Failure Questionnaire. Heart Fail. 1987; 3:198-209.]Search in Google Scholar
[11. Rector TS, Kubo SH, Cohn JN. Validity of the Minnesota Living with Heart Failure questionnaire as a measure of therapeutic response to enalapril or placebo. Am J Cardiol. 1993; 71:1106-7.10.1016/0002-9149(93)90582-W]Search in Google Scholar
[12. Guyatt GH, Nogradi S, Halcrow S, Singer J, Sullivan MJ, Fallen EL. Development and testing of a new measure of health status for clinical trials in heart failure. J Gen Intern Med. 1989; 4:101-7.10.1007/BF02602348]Open DOISearch in Google Scholar
[13. Green CP, Porter CB, Bresnahan DR, Spertus JA. Development and evaluation of the Kansas City Cardiomyopathy Questionnaire: a new health status measure for heart failure. J Am Coll Cardiol. 2000; 35: 1245-55.10.1016/S0735-1097(00)00531-3]Open DOISearch in Google Scholar
[14. Morgan K, McGee H, Shelley E. Quality of life assessment in heart failure interventions: a 10-year (1996-2005) review. Eur J Cardiovasc Prev Rehabil. 2007; 14:589-607.10.1097/HJR.0b013e32828622c317925617]Search in Google Scholar
[15. Bennett SJ, Oldridge NB, Eckert GJ, Embree JL, Browning S, Hou N, et al. Discriminant properties of commonly used quality of life measures in heart failure. Qual Life Res. 2002; 11:349-59.10.1023/A:1015547713061]Open DOISearch in Google Scholar
[16. Bennett SJ, Oldridge NB, Eckert GJ, Embree JL, Browning S, Hou N, et al. Comparison of quality of life measures in heart failure. Nurs Res. 2003; 52:207-16.10.1097/00006199-200307000-0000112867777]Open DOISearch in Google Scholar
[17. Garin O, Soriano N, Ribera A, Ferrer M, Pont A, Alonso J, et al. Validation of the Spanish version of the Minnesota Living with Heart Failure Questionnaire. Rev Esp Cardiol. 2008; 61:251-9.10.1157/13116652]Open DOISearch in Google Scholar
[18. Saccomann IC, Cintra FA, Gallani MC. Psychometric properties of the Minnesota Living with Heart Failure- Brazilian version in the elderly. Qual Life Res. 2007; 16:997-1005.10.1007/s11136-007-9170-z17534737]Open DOISearch in Google Scholar
[19. Eurich DT, Johnson JA, Reid KJ, Spertus JA. Assessing responsiveness of generic and specific health related quality of life measures in heart failure. Health Qual Life Outcomes. 2006; 4:89.10.1186/1477-7525-4-89167599017125512]Search in Google Scholar
[20. McHorney CA, Ware JE Jr, Raczek AE. The MOS 36-Item Short-Form Health Survey (SF-36) II. Psychometric and clinical tests of validity in measuring physical and mental health constructs. Med Care. 1993; 31:247-63.10.1097/00005650-199303000-000068450681]Search in Google Scholar
[21. Leurmarnkul W, Meetam P. Properties testing of the retranslated SF-36 (Thai version). Thai J Pharm Sci. 2005; 29:69-88.]Search in Google Scholar
[22. Tangsatitkiat W, Sakthong P. The Content Improvements of the Thai Version of the Minnesota Living with Heart Failure Questionnaire, using cognitive interview. Thai Pharm Health Sci J. 2009; 4: 227-35.10.2478/abm-2010-0115]Search in Google Scholar
[23. Maindal HT, Sokolowski I, Vedsted P. Translation, adaptation and validation of the American Short Form Patient Activation Measure (PAM13) in a Danish version. BMC Public Health. 2009; 9:209.10.1186/1471-2458-9-209271247119563630]Open DOISearch in Google Scholar
[24. Scientific Advisory Committee of the Medical Outcomes Trust. Assessing health status and qualityof- life instruments: attributes and review criteria. Qual Life Res. 2002; 11:193-205.]Search in Google Scholar
[25. Rosner B. Fundamental of Biostatistics. 5th ed. California: Duxbury Thomson Learning; 2000.]Search in Google Scholar
[26. Cohen J, Cohen P. Applied multiple regression/ correlation analysis for the behavioral sciences. 2nd ed. New Jersey: Lawrence Erlbaum Associates; 1983.]Search in Google Scholar
[27. Ozer ZC, Firat MZ, Bektas HA. Confirmatory and exploratory factor analysis of the caregiver quality of life index-cancer with Turkish samples. Qual Life Res. 2009; 18:913-21.10.1007/s11136-009-9503-119554474]Open DOISearch in Google Scholar
[28. Fayors P, Hays R. Assessing quality of life in clinical trials: Methods and Practice. 2nd ed. New York: Oxford University Press; 2005.]Search in Google Scholar
[29. Cohen J. A power primer. Psychol Bull. 1992; 112: 155-9.10.1037/0033-2909.112.1.155]Search in Google Scholar
[30. Ho CC, Clochesy JM, Madigan E, Liu CC. Psychometric evaluation of the chinese version of the Minnesota Living with Heart Failure Questionnaire. Nurs Res. 2007; 56:441-8.10.1097/01.NNR.0000299849.21935.c418004191]Search in Google Scholar
[31. Heo S, Moser DK, Riegel B, Hall LA, Christman N. Testing the psychometric properties of the Minnesota Living with Heart Failure Questionnaire. Nurs Res. 2005; 54:265-72.10.1097/00006199-200507000-0000916027569]Search in Google Scholar
[32. Wyrwich KW, Nienaber NA, Tierney WM, Wolinsky FD. Linking clinical relevance and statistical significance in evaluating intra-individual changes in health-related quality of life. Med Care. 1999; 37: 469-78.10.1097/00005650-199905000-0000610335749]Search in Google Scholar
[33. Wyrwich KW. Minimal important difference thresholds and the standard error of measurement: is there a connection? J Biopharm Stat. 2004; 14:97-110.10.1081/BIP-12002850815027502]Open DOISearch in Google Scholar