TABLE IV.
Cox regression model
| Variable | HR | 95% CI | p Valuea |
|---|---|---|---|
| Sex (1=men, 2=women) | 1.01 | 0.85 to 1.20 | 0.927 |
| Age (per year) | 1.01 | 1.00 to 1.02 | 0.034 |
| Comorbidities (0=no, 1=yes) | |||
| Cardiac | 1.25 | 1.02 to 1.53 | 0.029 |
| Renal | 1.63 | 1.18 to 2.27 | 0.004 |
| Respiratory | 1.40 | 1.12 to 1.75 | 0.004 |
| Diabetes | 1.09 | 0.88 to 1.35 | 0.436 |
| Medications (0=no, 1=yes) | |||
| ASA | 0.87 | 0.69 to 1.11 | 0.281 |
| Statins | 0.86 | 0.68 to 1.08 | 0.196 |
| PPI | 1.34 | 1.01 to 1.79 | 0.042 |
| Tumour stage (continuous) | 1.95 | 1.73 to 2.20 | <0.001 |
| Tumour differentiation (reference=well-differentiated) | |||
| Moderate | 1.17 | 0.70 to 1.97 | 0.557 |
| Poor | 1.99 | 1.13 to 3.49 | 0.016 |
| Number of positive lymph nodes (reference=0) | |||
| 1–3 | 0.83 | 0.62 to 1.12 | 0.222 |
| >4 | 1.26 | 0.96 to 1.67 | 0.100 |
a
Boldface type indicates p < 0.05.
HR = hazard ratio; CI = confidence interval; ASA = acetylsalicylic acid; PPI = proton pump inhibitor.