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. 2010 Jun 11;101(9):2080–2086. doi: 10.1111/j.1349-7006.2010.01644.x

Table 3.

 Contribution of various potential prognostic factors to disease‐free survival by Cox regression analysis in a series of clear‐cell RCC patients

Variable Risk ratio 95% confidence interval P‐value
Tumor size* 3.671 0.786–17.138 0.09 n.s.
Grading† 1.011 0.225–4.533 0.98 n.s.
Dystroglycan‡ 4.330 1.148–16.365 0.03
p27kip1§ 4.915 1.406–17.185 0.012

*Risk ratio given as pT2–4 vs pT1 tumors; †risk ratio given as G3–4 vs G1–2 tumors; ‡risk ratio given as dystroglycan (DG) low vs high‐expressor tumors; §risk ratio is given as p27kip1 low vs high‐expressor tumors. n.s., not significant, RCC, renal cell carcinoma.