Table 3.
Biochemical and biometric characteristics of the entire cohort, males and females, according to vitamin D status; Bahrain, October 2010–October 2011
| Entire cohort (n 500) | Females (n 250) | Males (n 250) | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Optimal (n 68) | Insuf. (n 185) | Defic. (n 247) | P | Optimal (n 20) | Insuf. (n 61) | Defic. (n 169) | P | Optimal (n 48) | Insuf. (n 124) | Defic. (n 78) | P | ||||||||||
| Characteristic | Mean | sd | Mean | sd | Mean | sd | ANOVA | Mean | sd | Mean | sd | Mean | sd | ANOVA | Mean | sd | Mean | sd | Mean | sd | ANOVA |
| Age (years) | 35·5 | 10·7 | 35·2 | 10·7 | 33·5 | 10·6 | 0·164 | 38·4 | 13·6 | 38·1 | 11·9 | 33·1 | 10·6 | 0·04 | 34·3 | 9·1 | 33·8 | 9·8 | 34·5 | 10·0 | 0·892 |
| Serum P (mmol/l) | 1·2 | 0·31 | 1·1 | 0·29 | 1·2 | 0·28 | 0·07 | 1·4 | 0·41 | 1·3 | 0·29 | 1·3 | 0·29 | 0·154 | 1·0 | 0·21 | 1·1 | 0·27 | 1·1 | 0·23 | 0·863 |
| Serum Ca (mmol/l) | 2·5 | 0·27 | 2·3 | 0·18 | 2·2 | 0·21 | 0·02 | 1·9 | 0·41 | 2·1 | 0·19 | 2·3 | 0·20 | 0·04 | 2·4 | 0·16 | 2·3 | 0·17 | 2·1 | 0·21 | 0·435 |
| Plasma PTH (pg/ml) | 50·8 | 45·3 | 57·2 | 38·5 | 60·2 | 33·9 | 0·03 | 41·0 | 36·1 | 48·7 | 35·8 | 70·7 | 55·8 | 0·004 | 43·8 | 31·4 | 43·4 | 27·0 | 55·1 | 35·6 | 0·256 |
PTH, parathyroid hormone; 25(OH)D, 25-hydroxyvitamin D.
Vitamin D status: optimal, serum 25(OH)D ≥ 50 nmol/; insufficiency (Insuf.), serum 25(OH)D = 30–50 nmol/l; deficiency (Defic.), serum 25(OH)D < 30 nmol/l.