Table 2. The association between OS and the expression level of KRT6A was studied by univariate and multivariate Cox regression.
| Characteristics | Total (N) | Univariate analysis | Multivariate analysis | ||
| Hazard ratio (95% CI) | P-value | Hazard ratio (95% CI) | P-value | ||
| KRT6A | 370 | 1.751 (1.190–1.915) | 0.001 | ||
| T stage | 362 | ||||
| T1 | 18 | Reference | |||
| T3 and T4 and T2 | 344 | 8.829 (1.234–63.151) | 0.030 | 22692221.327 (0.000-Inf) | 0.994 |
| N stage | 352 | ||||
| N0 | 107 | Reference | |||
| N1 and N2 and N3 | 245 | 1.925 (1.264–2.931) | 0.002 | 1.398 (0.860-2.273) | 0.177 |
| M stage | 352 | ||||
| M0 | 327 | Reference | |||
| M1 | 25 | 2.254 (1.295–3.924) | 0.004 | 1.691 (0.874-3.274) | 0.119 |
| Primary therapy outcome | 313 | ||||
| SD and PR and CR | 249 | Reference | |||
| PD | 64 | 4.147 (2.843–6.047) | <0.001 | 3.532 (2.386-5.229) | <0.001 |