Table I.
Patient characteristics according to overall survival.
| Overall survival | ||||
|---|---|---|---|---|
| Characteristics | Total (n=271) | Deceased (n=126) | Alive (n=145) | P-value |
| Age, years (%) | 0.40 | |||
| ≤65 | 126(46.5) | 62(49.2) | 64(44.1) | |
| >65 | 145(53.5) | 64(50.8) | 81(55.9) | |
| Gender(%) | 0.22 | |||
| Male | 215(79.3) | 104(82.5) | 111(76.6) | |
| Female | 56(20.7) | 22(17.5) | 34(23.4) | |
| Prior immunotherapy(%) | 0.79 | |||
| Yes | 172(63.5) | 81(64.3) | 91(62.8) | |
| No | 99(36.5) | 45(35.7) | 54(37.2) | |
| MSKCC classification(%) | <0.001 | |||
| Favorable or intermediate | 227(83.8) | 92(83.0) | 135(93.1) | |
| Poor | 44(16.2) | 34(27.0) | 10(6.9) | |
| C-reactive protein, mg/dl(%) | <0.001 | |||
| ≥1.0 | 187(69.0) | 61(48.4) | 126(86.9) | |
| <1.0 | 84(31.0) | 65(51.6) | 19(13.1) | |
| Metastatic organ(%) | ||||
| Lung | 177(65.3) | 83(65.9) | 94(64.8) | 0.85 |
| Lymph node | 69(25.5) | 43(34.1) | 26(17.9) | 0.0023 |
| Bone | 55(20.3) | 32(25.4) | 23(15.9) | 0.052 |
| Liver | 31(11.4) | 25(19.8) | 6(4.1) | <0.001 |
| Brain | 21(7.7) | 13(10.3) | 8(5.5) | 0.14 |
| Histological subtype(%) | 0.17 | |||
| Clear cell carcinoma | 231(85.2) | 103(81.7) | 128(88.3) | |
| Other | 40(14.8) | 23(18.3) | 17(11.7) | |
| Sarcomatoid characteristics(%) | 0.58 | |||
| Yes | 32(11.8) | 24(19.0) | 8(5.5) | |
| No | 239(88.2) | 102(81.0) | 137(94.5) | |
MSKCC, Memorial Sloan-Kettering Cancer Center.