Table 2.
Spearman's rank correlation for RANKL/OPG ratio
| Characteristics | n (%) | Ratio | |
|---|---|---|---|
| r s | p‐value | ||
| Age | |||
| 18–30 years | 58 (36.7) | .310** | <.001 |
| 31–45 years | 61 (38.6) | ||
| >46 years | 39 (24.7) | ||
| Smoking | |||
| Nonsmokers | 136 (86.1) | .308** | <.001 |
| Smokers | 22 (13.9) | ||
| Plaque score | |||
| 1 | 20 (12.7) | .212* | .009 |
| 2 | 77 (48.7) | ||
| 3 | 61 (38.6) | ||
| Gingival index | |||
| 1 | 64 (40.5) | .274* | .001 |
| 2 | 92 (58.2) | ||
| 3 | 2 (1.3) | ||
| Periodontitis | |||
| None | 77 (48.7) | .759** | <.001 |
| Mild | 39 (24.7) | ||
| Moderate | 24 (15.2) | ||
| Severe | 18 (11.4) | ||
Note. OPG = osteoprotegerin; RANKL = receptor activator of nuclear factor ligand.
*
p < .05
**
p < .001