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Table 5 Mean serum 25(OH) D levels and prevalence in different age groups

From: Vitamin D status in non-supplemented postmenopausal Taiwanese women with osteoporosis and fragility fracture

  <10 ng/ml <20 ng/ml <30 ng/ml 25(OH) D level (mean ± SD)
<60 y/o (n = 2) 0 (0%) 0 (0%) 2 (100%) 23.3 ± 1.7
60 ~ 69 y/o (n = 36) 3 (8.3%) 17 (47.2%) 29 (80.6%) 22.5 ± 10.4
70 ~ 79 y/o (n = 64) 4 (6.3%) 33 (51.6%) 61 (95.3%) 20.4 ± 7.9
80 ~ 84 y/o (n = 41) 3 (7.3%) 24 (58.5%) 34 (82.9%) 21.5 ± 10.3
≥85 y/o (n = 46) 7 (15.2%) 21 (45.7%) 38 (82.6%) 20.2 ± 9.3
  1. NS among age groups.