Table 1 Patient characteristics and clinical features
Variable | Patients (%) | MST(mon) | Log-rank P value | HR (95%CI) |
|---|---|---|---|---|
Age (years) | Â | Â | Â | Â |
   ≤50 | 105(40.9) | 14.93 | 0.493 | 1.00 |
   >50 | 152(59.1) | 12.47 |  | 1.10(0.84-1.45) |
Tumor stage | Â | Â | Â | Â |
   I | 44(17.1) | 45.80 |  | 1.00 |
   II | 34(13.2) | 18.57 | < 0.001 | 2.48(1.36-4.53) |
   III | 149(58.0) | 11.07 |  | 3.46(2.14-5.61) |
   IV | 30(11.7) | 9.07 |  | 4.66(2.59-8.37) |
Surgical operation | Â | Â | Â | Â |
   No | 53(20.6) | 6.20 | 0.005 | 1.00 |
   Yes | 204(79.4) | 15.50 |  | 0.61(0.44-0.86) |
Chemotherapy or radiotherapy | Â | Â | Â | Â |
   No | 31(12.1) | 9.00 | 0.803 | 1.00 |
   Yes | 226(87.9) | 13.30 |  | 0.94(0.59-1.51) |