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Serum Levels of 25-Hydroxyvitamin D and Bone Turnover Markers in Female Basketball Players: Age-Related Differences

Emilija Stojanovic

Emilija Stojanovic

  • Faculty of Sport and Physical Education, University of NisNis, Serbia
  • Faculty of Medical Sciences, Department of Physiology, University of KragujevacKragujevac, Serbia
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Stojanovic, Emilija
, 
Vladimir Jakovljevic

Vladimir Jakovljevic

  • Faculty of Medical Sciences, Department of Physiology, University of KragujevacKragujevac, Serbia
  • Moscow State Medical University IM Sechenov, Department of Human PathologyMoscow, Russia
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Jakovljevic, Vladimir
 and 
Dragan Radovanovic

Dragan Radovanovic

Faculty of Sport and Physical Education, University of NisNis, Serbia
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Radovanovic, Dragan
  
Aug 07, 2025
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Article Category: Original Scientific Article
Published Online: Aug 07, 2025
Received: Oct 10, 2021
Accepted: Oct 23, 2021
DOI: https://doi.org/10.2478/sjecr-2022-0018
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© 2022 Emilija Stojanovic et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1.

Median, mainimum, maximum and corresponding inter-quartile (25 and 75th centile) range for 25(OH)D, osteocalcin, and CTx-I in middle adolescent (n = 12) and late adolescent to early adulthood (n = 14) female basketball players. In the box plots, whiskers indicate the minimum and maximum values, the boundary of the box closest to zero indicates the 25th percentile, a black line within the box marks the median, and the boundary of the box farthest from zero indicates the 75th percentile.
Median, mainimum, maximum and corresponding inter-quartile (25 and 75th centile) range for 25(OH)D, osteocalcin, and CTx-I in middle adolescent (n = 12) and late adolescent to early adulthood (n = 14) female basketball players. In the box plots, whiskers indicate the minimum and maximum values, the boundary of the box closest to zero indicates the 25th percentile, a black line within the box marks the median, and the boundary of the box farthest from zero indicates the 75th percentile.

Mean, standard deviation (SD), geometric mean, and 95% confidence intervlas (CI) for 25-hydroxyvitamin D, osteocalcin, and carboxy-terminal telopeptides of crosslinks of type I collagen (CTx-I) in middle adolescent (15–18 years) and late adolescent to early adulthood (19–30 years) female basketball players_

Outcome measures mean ± SD Geometric mean 95% CI
25-hydroxyvitamin D (nmol/L)
15–18 years 55.6 ± 12.2 52.7 47.8, 63.3
19–30 years 63.7 ± 10.5 62.8 57.6, 69.8
Osteocalcin (ng/ml)
15–18 years 46.1 ± 15.8 43.8 32.9, 53.1
19–30 years 30.4 ± 7.6 29.5 26.0, 34.8
CTx-I (pg/ml)
15–18 years 1018.8 ± 271.4 991.4 846.4, 1191.2
19–30 years 776.7 ± 240.8 737.7 637.7, 915.7
Language:
English
Publication timeframe:
4 times per year
Journal Subjects:
Medicine, Clinical Medicine, Clinical Medicine, other
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