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Multivariable analysis of risk factors for osteoradionecrosis.
| Odds Ratio (95%CI) | p-value | Global p-value | N | |
|---|---|---|---|---|
| Smoking | 0.010 | 2673 | ||
| No | Reference | 1896 | ||
| Yes | 1.48 (1.10, 1.99) | 777 | ||
| Primary Site | <0.001 | 2673 | ||
| Larynx/Other | Reference | 1246 | ||
| Lip/Oral Cavity | 5.66 (3.74, 8.55) | <0.001 | 476 | |
| Oropharynx | 4.05 (2.75, 5.96) | <0.001 | 951 | |
| Dose | 0.03 | 2673 | ||
| <60 | Reference | 144 | ||
| >=60 | 3.59 (1.12, 11.51) | 2529 | ||
| Periodontal Classification | 0.004 | 2673 | ||
| 0–2 (Mild) | Reference | 1263 | ||
| 3–4 (Moderate-severe) | 1.55 (1.15, 2.08) | 1410 |
