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Two models of Cox regression analysis for recurrence (hazard ratio (HR), 95% confidence interval (95%CI) and p-value) including only occupational exposure to PAHs (Model 1) or aromatic amines (Model 2).
| Occupational Exposure to: | HR | 95%CI | p-Value |
|---|---|---|---|
| Model 1 | |||
| PAHs § | 0.690 | 0.358 to 1.327 | 0.266 |
| Model 2 | |||
| Aromatic amines § | 0.719 | 0.382 to 1.351 | 0.305 |
§ Dichotomous variables: occupational exposure absent or present
