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Table 4 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)

0.784

0.413

3.603

0.058

2.190 (0.975-4.918)

Differentiation (2 vs. 1)

1.036

0.422

6.034

0.014

2.819 (1.233-6.444)

Differentiation (3 vs. 1)

0.826

0.475

3.025

0.082

2.285 (0.900-5.798)

T-stage (3 vs. 1)

1.969

1.115

2.909

0.088

7.164 (0.745-68.847)

Lymphatic metastasis

1.686

0.591

8.130

0.004

5.397 (1.694-17.194)

Chemotherapy (no vs. yes)

1.507

0.412

13.347

0.000

4.512 (2.010-10.124)