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Table 5 25(OH)D concentration in 4775 serum samples from South China—descriptive statistics

From: Determination of serum 25-hydroxyvitamin D status among population in southern China by a high accuracy LC-MS/MS method traced to reference measurement procedure

Sex

All

< 18 years

18-40 years

41-60 years

61-80 years

> 80 years

M (n = 1946)

F (n = 2829)

M (n = 1544)

F (n = 1165)

M (n = 119)

F (n = 1355)

M (n = 152)

F (n = 166)

M (n = 105)

F (n = 114)

M (n = 26)

F (n = 29)

25(OH)D(ng/mL)

 Median

34.26

29.4***

35.7

34.16**

26.07

26.43

29.66

28.29

30.5

27.2***

24.66

22.0

 Mean ± SD

35.45 ± 11.71

30.60 ± 11.35

37.09 ± 11.58

35.80 ± 12.0

27.86 ± 9.29

26.91 ± 9.51

29.61 ± 10.65

28.32 ± 8.18

30.65 ± 6.62

29.49 ± 8.39

26.42 ± 9.0

24.38 ± 9.23

 25th–75th

27.2–42.0

22.67–36.89

29.2–43.87

27.3–42.7

21.9–34.07

20.1–32.44

22.35–37.19

23.3–32.91

24.35–37.75

20.77–31.83

20.56–31.45

19.27–28.39

  1. *P < 0.05, **P < 0.01, ***P < 0.001, M male, F female