Table 1.
Characteristics of the study sample.
| Variable | Controls (n = 63) (mean ± SD) or n (%) | Cases (n = 60) (mean ± SD) or n (%) | Mean Difference | p value |
|---|---|---|---|---|
| Age (years) | 38.05 ± 8.20 | 42.07 ± 6.54 | 4.02 | 0.004 |
| Sex (males/females) | 31 (49.2%) / 32 (50.8%) | 26 (43.3%)/ 34 (56.7%) | – | – |
| AL* | 3.45 ± 0.24 | 5.06 ± 1.14 | 1.6 | <0.001 |
| PD** | 3.85 ± 0.31 | 5.05 ± 0.53 | 1.2 | <0.001 |
| BMI (kg/m2)*** | 30.12 ± 4.53 | 30.29 ± 5.23 | 1.7 | 0.846 |
| Serum 25(OH)D (ng/ml) | 29.19 ± 12.82 | 25.03 ± 8.55 | 4.2 | 0.037 |
*
AL = Attachment Loss Level, **PD = Probing Depth,***BMI = Body Mass Index.