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Table 8 PTH concentration in 170 serum samples from 4775 25(OH)D serum samples

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

18-40 years

41-60 years

61-86 years

M (n = 92)

F (n = 78)

M (n = 15)

F (n = 10)

M (n = 43)

F (n = 20)

M (n = 34)

F (n = 48)

PTH (pg/mL)

 Median

138.00

169.80*

98.42

343.10

136.30

288.85***

142.10

143.10

 Mean ± SD

210.43 ± 243.62

339.65 ± 398.82

290.15 ± 401.12

703.45 ± 698.37

217.67 ± 237.09

461.46 ± 446.12

166.01 ± 137.40

213.109 ± 189.50

25(OH)D(ng/mL)

 Median

29.51

25.95

32.10

22.50

24.70

27.55

30.28

27.35

 Mean ± SD

29.67 ± 11.32

26.86 ± 9.85

33.32 ± 12.77

24.90 ± 11.23

27.76 ± 11.36

26.87 ± 11.21

30.48 ± 10.41

27.26 ± 9.12

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