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Table 3 Univariate Cox Regression analysis on factors for OSCC survival

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 domain 0.275 0.258 1.134 0.287 1.317 (0.794-2.186)
Alpha intensity 0.735 0.267 7.547 0.006 2.085 (1.234-3.521)
Alpha (D×I) 0.166 0.072 5.362 0.021 1.181 (1.026-1.359)
Alpha (categorical) 0.860 0.346 6.193 0.013 2.364 (1.201-4.655)
Smoking 1.310 0.366 12.806 0.000 3.704 (1.808-7.589)
Differentiation (2 vs. 1) 0.890 0.386 5.324 0.021 2.435 (1.143-5.185)
Differentiation (3 vs. 1) 0.937 0.450 4.332 0.037 2.552 (1.056-6.165)
T-stage (3 vs. 1) 1.453 0.641 5.142 0.023 4.278 (1.218-15.024)
Lymphatic metastasis 0.549 0.226 5.904 0.015 1.732 (1.112-2.697)
Clinical stage (4 vs.1) 1.714 0.782 4.803 0.028 5.553 (1.199-25.726)
Chemotherapy (no vs. yes) 0.839 0.357 5.532 0.019 2.313 (1.150-4.652)