Table 4.
COX proportional hazard model analysis results
| Index | EGFR positive |
|---|---|
| B | 1.453 |
| Se | 0.363 |
| Wald | 16.024 |
| P | <0.001 |
| Rr | 4.277 |
| 95ci | |
| Lower limit | 2.099 |
| Upper limit | 8.713 |
Note: EGFR: epidermal growth factor receptor.
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