Table 1.
Patient characteristics, demographic data, and distribution of vitamin D levels
| Variables | n = 796 | % | 25(OH)D, ng/ml (mean ± SD) | p-value |
|---|---|---|---|---|
| Age (mean) | ||||
| 60–69 | 131 | 16.5 | 20.0 ± 8.1 | 0.854 |
| 70–79 | 326 | 41.0 | 20.5 ± 6.8 | |
| 80–89 | 287 | 36.1 | 20.7 ± 7.6 | |
| ≥ 90 | 52 | 6.5 | 20.1 ± 8.0 | |
| Gender | ||||
| Female | 562 | 70.6 | 20.3 ± 7.5 | 0.615 |
| Male | 234 | 29.4 | 20.6 ± 7.0 | |
| Race | ||||
| Chinese | 702 | 88.2 | 20.7 ± 7.1* | 0.012 |
| Malay | 54 | 6.8 | 18.8 ± 8.4 | |
| Indian | 32 | 4.0 | 16.6 ± 8.1* | |
| Others | 8 | 1.0 | 22.0 ± 14.0 | |
| Current smoker | ||||
| No | 709 | 89.1 | 20.4 ± 7.5 | 0.884 |
| Yes | 87 | 10.9 | 20.3 ± 6.4 | |
| Type of fracture | ||||
| Neck of femur | 483 | 60.7 | 20.4 ± 7.3 | 0.485 |
| Intertrochanteric | 303 | 38.1 | 20.3 ± 7.5 | |
| Subtrochancteric | 10 | 1.3 | 23.2 ± 7.3 | |
*Bonferroni’s posthoc correction showed that the significant difference of Vitamin D level was between Chinese and Indian (p = 0.012)