表2.
单因素Cox回归分析
| Variables | HR | 95%CI | P |
|---|---|---|---|
| Histology | |||
| Non-seminoma | Reference | ||
| NOS | 0.726 | 0.252-2.093 | 0.553 |
| Seminoma | 0.074 | 0.010-0.544 | 0.011 |
| Surgery | |||
| No | Reference | ||
| Yes | 0.408 | 0.190-0.878 | 0.022 |
| Age (yr) | |||
| >40 | Reference | ||
| ≤21 | 0.493 | 0.194-1.253 | 0.137 |
| 22-40 | 0.367 | 0.158-0.849 | 0.019 |
| Tumor size (cm) | |||
| <15 | Reference | ||
| ≥15 | 2.352 | 1.054-5.251 | 0.037 |
| Unknown | 2.133 | 0.760-5.984 | 0.150 |
| Metastasis | |||
| No | Reference | ||
| Yes | 3.857 | 1.791-8.307 | 0.001 |
| Stage | |||
| Distant | Reference | ||
| Non-distant | 0.352 | 0.165-0.752 | 0.007 |
| Unknown | 0.616 | 0.079-4.768 | 0.642 |
| Previous history of malignancy | |||
| No | Reference | ||
| Yes | 2.171 | 0.755-6.242 | 0.150 |
| Regional lymph node surgery | |||
| No | Reference | ||
| Yes | 0.464 | 0.141-1.534 | 0.208 |
| Race | |||
| Black | Reference | ||
| Other | 0.523 | 0.033-8.368 | 0.647 |
| White | 2.967 | 0.403-21.835 | 0.286 |