Table II.
Characteristics of cases and controls.
| Characteristic | Cases | Controls | OR | 95% CI | P-value |
|---|---|---|---|---|---|
| Gender | |||||
| Male | 48 | 85 | 1 | - | - |
| Female | 25 | 67 | 0.66 | 0.37–1.18 | 0.21 |
| Age (years) | |||||
| <60 | 35 | 88 | 1 | - | - |
| >60 | 37 | 64 | 1.45 | 0.83–2.55 | 0.25 |
| Body mass index | |||||
| <25 | 11 | 32 | 1 | ||
| 25–30 | 20 | 40 | 1.45 | 0.60–3.47 | 0.39 |
| >30 | 22 | 61 | 1.04 | 0.45–2.43 | 0.91 |
| Smoking status | |||||
| Non-smoker | 33 | 90 | 1 | - | - |
| Current | 15 | 15 | 2.73 | 1.20–6.19 | 0.03 |
| Former | 25 | 45 | 1.52 | 0.81–2.84 | 0.25 |
| Alcohol | |||||
| Never | 29 | 84 | 1 | - | - |
| Current | 33 | 69 | 0.63 | 0.28–1.41 | 0.26 |
| Former | 13 | 24 | 0.88 | 0.40–1.95 | 0.75 |
| Aspirin | |||||
| Never | 22 | 124 | 1 | - | - |
| Yes | 11 | 27 | 0.81 | 0.38–1.75 | 0.75 |
OR, odds ratio; CI, confidence interval.