Table 1 Serum 25-hydroxyvitamin D (25OHD) concentrations among nursing home residents
All residentsa | Residents without vitamin D supplementation | Residents with vitamin D supplementation | |
|---|---|---|---|
25OHD < 12.5 nmol/L | 3.7% (20/545) | 4.4% (20/451) | 0% (0/94) |
25OHD 12.5 to <25 nmol/L | 37% (204/545) | 44% (198/451) | 6.4% (6/94) |
25OHD 25 to <50 nmol/L | 41% (224/545) | 45% (203/451) | 22% (21/94) |
25OHD 50 to <75 nmol/L | 11% (62/545) | 4.9% (22/451) | 43% (40/94) |
25OHD > 75 nmol/L | 6.4% (35/545) | 1.8% (8/451) | 29% (27/94) |