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Table 2 Univariate and multivariable analyses for DFS

From: Clinical implication of HLA class I expression in breast cancer

   Univariate analysis Multivariable analysis
   Disease free interval Disease free interval
Variables Categories HR (95% confidence interval) p value HR (95% confidence interval) p value
Tumor size T3+T4 (vs T1+T2) 0.249 (0.120 - 0.514) P = 0.0020 0.459 (0.212 - 0.995) P = 0.0485
Nodal involvement N1 (vs N0) 0.148 (0.068 - 0.324) P < 0.0001 0.230 (0.092 - 0.574) P = 0.0016
Estrogen receptor Positive (vs negative) 1.656 (0.872 - 3.146) 0.1231   
Progesterone receptor Positive (vs negative) 1.932 (1.019 - 3.664) P = 0.0437 2.168 (1.109 - 4.240) P = 0.0237
Lymphatic invasion Positive (vs negative) 0.246 (0.117 - 0.521) P = 0.0020 0.871 (0.346 - 2.194) 0.7689
Vascular invasion Positive (vs negative) 0.184 (0.094 - 0.361) P < 0.0001 0.423 (0.198 - 0.904) P = 0.0264
HER2 receptor Positive (vs negative) 0.653 (0.272 - 1.565) 0.3390   
HLA class I expression Negative (vs positive) 2.513 (1.050 - 6.012) P = 0.0384 1.691 (0.696 - 4.110) 0.2462