|  | 95%-confidence interval |  | |
---|---|---|---|---|
variable | odds ratio | lower limit | upper limit | p-value |
surgical approach | Â | Â | Â | Â |
TT vs. TH | 1.931 | 0.573 | 6.514 | 0.289 |
UICC | Â | Â | Â | 0.001 |
-IIa vs. I | 1.866 | 0.459 | 7.583 | 0.383 |
-IIb vs. I | 20.350 | 2.132 | 194.254 | 0.009 |
-III vs. I | 5.967 | 1.400 | 25.439 | 0.016 |
-IV vs. I | 46.422 | 5.071 | 424.994 | 0.001 |