|  |  | Overall survival in 53 clear cell renal cell carcinomas | |||
---|---|---|---|---|---|---|
Variable | Unfavorable/favorable characteristics | No. of Patients | Analysis | Relative risk | 95% confidential interval | P value |
 |  |  | Univariate (U) | 18.529 | 5.287 – 27.819 | < 0.0001 |
Karnofsky PS | < 80%/> 80% | 5/48 | Â | Â | Â | Â |
 |  |  | Multivariate (M) | 24.718 | 2.793 – 11.729 | 0.0029 |
 |  |  | U | 35.194 | 4.359 – 284.127 | 0.0008 |
Grade | 4/3/2/1 | 0/15/30/8 | Â | Â | Â | Â |
 |  |  | M | 85.943 | 4.123 – 1791.603 | 0.004 |
 |  |  | U | 10.667 | 1.349 – 84.339 | 0.0248 |
pT | 4.3/2.1 | 15/38 | Â | Â | Â | Â |
 |  |  | M | 6.512 | 0.448 – 94.642 | 0.17 |
 |  |  | U | 5.585 | 1.558 – 20.017 | 0.0083 |
Metastasis | M1/M0 | 18/35 | Â | Â | Â | Â |
 |  |  | M | 3.188 | 0.622 – 11.612 | 0.1273 |
 |  |  | U | 4.177 | 1.105 – 15.784 | 0.0351 |
Hepcidin mRNA | high/low | 25/28 | Â | Â | Â | Â |
 |  |  | M | 5.824 | 0.846 – 40.092 | 0.0734 |