Table 4.
25(OH)D levels in different age groups
| Age, years | n | 25(OH)D (ng/mL) * | Deficient# | Insufficient+ Sufficient # |
|---|---|---|---|---|
| 18–45 (young adults) | 290 | 12.43 (9.28, 16.95) | 248 (85.52) a | 42 (14.48) b |
| 46–60 (middle-aged subjects) | 782 | 13.09 (8.99, 18.30) | 632 (80.82) a | 150 (19.18) a |
| 61–75 (elderly subjects) | 656 | 12.70 (8.16, 17.13) | 558 (85.06) b | 98 (14.94) b |
| >75 (subjects of advanced age) | 352 | 12.47 (8.85 ,17.33) | 302 (85.80) a | 50 (14.21) b |
* M (P25, P75), χ2 2.323, P 0.508; # [n (%)], χ2 9.951, P 0.019, in the same column, distinct superscript letters mean significant pairwise differences (P < 0.05)