Concordance of classification of clinical categories of plasma 25-hydroxvitmain D [25(OH)D] concentrations at follow-up (2002–2005) based on clinical categories at baseline (1997–2000) among 672 participants in the Osteoporosis and Periodontal Disease (OsteoPerio) Study
| Follow-up: At risk for deficiency (<30 nmol/L) | Follow-up: At risk for inadequacy (≥30–<50 nmol/L) | Follow-up: Adequate (≥50–<75 nmol/L) | Follow-up: Adequate (≥75 nmol/L) | |
|---|---|---|---|---|
| Baseline: At risk for deficiency (<30 nmol/L) | 14 (24.1%) | 22 (37.9%) | 20 (34.5%) | 2 (3.5%) |
| Baseline: At risk for inadequacy (≥30–<50 nmol/L) | 6 (3.8%) | 52 (33.1%) | 80 (51.0%) | 19 (12.1%) |
| Baseline: Adequate (≥50–<75 nmol/L) | 1 (0.3%) | 30 (9.8%) | 176 (57.7%) | 98 (32.1%) |
| Baseline: Adequate (≥75 nmol/L) | 1 (0.7%) | 5 (3.3%) | 41 (27.0%) | 106 (69.7%) |
NOTE: N and row percent presented.