| Cases | Controls | Crude OR (95% CI) | Adjusted OR (95% CI) |
|---|
|
|---|
| No OAS | 37 (79%) | 186 (92%) | 1 (ref) | 1 (ref) |
| OAS | 10 (21%) | 16 (8%) | 3.1 (1.3–7.5) | 7.6 (2.4–23)* |
| Non-smoker | 50 (83%) | 159 (63%) | 1 (ref) | 1 (ref) |
| Current smoker | 10 (17%) | 92 (37%) | 0.26 (0.11–0.60) | 0.24 (0.09–0.63)** |