Table 1 Univariate and multivariate analysis of risk score and clinical features
Characteristics | Total(N) | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|---|
Hazard ratio (95% CI) | P value | Hazard ratio (95% CI) | P value | ||
Gender | 226 | Â | Â | Â | Â |
Male | 105 | Reference | Â | Â | Â |
Female | 121 | 0.658 (0.338–1.281) | 0.219 |  |  |
Age (years) | 226 | 1.025 (0.977–1.075) | 0.306 |  |  |
Smoking status | 226 | Â | Â | Â | Â |
Never-smoker | 115 | Reference | Â | Â | Â |
Ever-smoker | 111 | 1.637 (0.837–3.201) | 0.150 |  |  |
Risk score | 226 | 3.298 (1.553–7.006) | 0.002 | 2.111 (0.950–4.692) | 0.047 |