Table 3 Multivariate analysis of clinicopathologic factors for overall survival of patients with nasopharyngeal carcinoma
| Â | Â | Total | Dead | % | HR | 95% C.I. for HR | P-value | ||
|---|---|---|---|---|---|---|---|---|---|
CD80/86 | Negative | 39 | 16 | 41.0 | 1.000 | Â | Â | Â | 0.968 |
| Â | Positive | 11 | 0 | 0.0 | 0.000 | 0.000 | - | 6.853E+282 | Â |
T Stage | 1 or 2 | 32 | 7 | 21.9 | 1.000 | Â | Â | Â | 0.050 |
| Â | 3 or 4 | 18 | 9 | 50.0 | 2.892 | 1.001 | - | 8.353 | Â |
N Stage | 0 or 1 | 24 | 5 | 20.8 | 1.000 | Â | Â | Â | 0.065 |
| Â | 2 or 3 | 26 | 11 | 42.3 | 2.830 | 0.938 | - | 8.539 | Â |
Treatment | RT | 8 | 1 | 12.5 | 1.000 | Â | Â | Â | 0.193 |
| Â | CCRT | 42 | 15 | 35.7 | 3.979 | 0.497 | - | 31.870 | Â |