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. 2014 Jun 20;9(6):e100161. doi: 10.1371/journal.pone.0100161

Table 4. Multivariate Cox regression analysis of several prognostic factors (TNM stage, nuclear grade, and MACC1 protein expression levels) with respect to five-year overall survival (OS) and disease-free survival (DFS) of patients with renal pelvis carcinoma (RPC).

Prognostic factors Overall survival (OS) Disease-free survival (DFS)
HR (95% CI) P HR (95% CI) P
Stage 1.246 (0.365–4.251) 0.726 0.524 (0.169–1.624) 0.263
Grade 0.086 (0.019–0.387) 0.001 5.444 (1.964–15.093) 0.001
MACC1 expression 0.282 (0.094–0.844) 0.024 4.207 (1.668–10.613) 0.002

‘CI’ refers to confidence interval; ‘HR’ refers to hazard ratio.