Table 2 The concentration and number of subjects in different groups
| Â | Group | Concentration | Osteoporosis | No osteoporosis |
|---|---|---|---|---|
Vitamin A, µg | T1 | < 370.52 | 50/1536 | 34/1536 |
| Â | T2 | 370.52-558.16 | 31/1536 | 33/1536 |
|  | T3 | > 558.16 | 20/1536 | 34/1536 |
Vitamin C, mg | T1 | < 80.37 | 49/1536 | 34/1536 |
| Â | T2 | 80.37-142.35 | 33/1536 | 33/1536 |
|  | T3 | > 142.35 | 19/1536 | 34/1536 |
Vitamin D, µg | T1 | < 5.07 | 48/1536 | 34/1536 |
|  | T2 | 5.07–11.15 | 30/1536 | 33/1536 |
|  | T3 | > 11.15 | 23/1536 | 34/1536 |