Table 2. Multivariate Cox proportional hazards regression model analysis of overall survival and cancer-special survival for testicular choriocarcinoma (CC) patients.
| Characteristics | Cancer-special survival | Overall survival | |||
|---|---|---|---|---|---|
| HR (95% CI) | P value | HR (95% CI) | P value | ||
| Age | |||||
| ≤30 years | Reference | – | Reference | – | |
| >30 years | 1.593 (1.066–2.380) | 0.023 | 1.600 (1.100–2.326) | 0.014 | |
| Laterality | |||||
| Left or right | Reference | – | Reference | – | |
| Bilateral | 1.256 (0.640–2.464) | 0.508 | 1.161 (0.599–2.248) | 0.659 | |
| SEER stage | |||||
| Localized | Reference | – | Reference | – | |
| Regional | 3.098 (0.971–9.885) | 0.056 | 2.133 (0.789–5.762) | 0.135 | |
| Distant | 15.206 (5.627–41.094) | <0.001 | 9.957 (4.392–22.573) | <0.001 | |
| Surgery | |||||
| No | Reference | – | Reference | – | |
| Yes | 0.429 (0.241–0.764) | 0.004 | 0.476 (0.274–0.826) | 0.008 | |
| Chemotherapy | |||||
| None/unknown | Reference | – | Reference | – | |
| Yes | 0.874 (0.395–1.934) | 0.739 | 0.932 (0.453–1.919) | 0.849 | |
| Pathological type | |||||
| Pure choriocarcinoma | Reference | – | Reference | – | |
| Mixed type | 0.724 (0.463–1.132) | 0.157 | 0.677 (0.445–1.029) | 0.068 | |
a, not married included divorced, separated, single (never married), unmarried or domestic partner and widowed.