| Test | Chi-square | Degree of freedom | Significance |
| Log Rank (Mantel-Cox) | 0.874 | 1 | 0.350 |
| Breslow (Generalized Wilcoxon) | 0.555 | 1 | 0.456 |
| Tarone-Ware | 0.713 | 1 | 0.398 |