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Table 2 Multivariate Cox Regression analysis on factors for OSCC recurrence

From: Overexpression of proteasomal activator PA28α serves as a prognostic factor in oral squamous cell carcinoma

Variables β SE Wald χ 2 P Value RR (95 % CI)
Alpha (2 vs.1) 0.801 0.351 5.220 0.022 2.229 (1.121-4.432)
Differentiation (3 vs. 1) 1.204 0.382 9.932 0.002 3.335 (1.577-7.053)
Lymphatic metastasis 1.266 0.539 5.522 0.019 3.547 (1.234-10.200)