Cox model applied to assess the effect of 2D measured tumor size on survival
| Covariate | Univariate Analysis | Multivariate Analysis | ||||||
|---|---|---|---|---|---|---|---|---|
| Coefficient (bi) | HR [exp(bi)] | 95% CI | P-value | Coefficient (bi) | HR [exp(bi)] | 95% CI | P-value | |
| Age | 0.038 | 1.039 | (1.014–1.064) | .002 | 0.036 | 1.037 | (1.013–1.062) | .003 |
| Sex | .015 | .039 | ||||||
| Female | (0.00) | (1.00) | (0.00) | (1.00) | ||||
| Male | 0.725 | 2.070 | (1.153–3.715) | 0.648 | 1.912 | (1.033–3.539) | ||
| Previous | .096 | .601 | ||||||
| Chemotherapy | ||||||||
| No | (0.00) | (1.00) | (0.00) | (1.00) | ||||
| Yes | 0.433 | 1.542 | (0.926–2.566) | 0.144 | 1.155 | (0.673–1.082) | ||
| 2D Size | 0.006 | 1.006 | (1.000–1.012) | .046 | 0.004 | 1.004 | (0.999–1.010) | .140 |
HR = hazard ratio, CI = confidence interval