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Table 3 Genotype and allele frequencies of IL-8 gene polymorphisms among glioma cases and healthy controls

From: Association between interleukin 8–251 T/A and +781 C/T polymorphisms and glioma risk

Genotypes Glioma (%) Controls (%) OR (95 %CI) P
−251 TT 96 (32.0) 105 (35.0) 1.00 (Reference)  
−251 TA 120 (40.0) 147 (49.0) 0.89 (0.62,1.29) 0.55
−251 AA 84 (28.0) 48 (16.0) 1.91 (1.22,3.00) 0.005
−251 T allele frequency 312 (52.0) 357 (59.5) 1.00 (Reference)  
−251 A allele frequency 288 (48.0) 243 (40.5) 1.36 (1.08,1.70) 0.009
+781 CC 166 (55.3) 161 (53.7) 1.00 (Reference)  
+781 CT 97 (32.3) 108 (36.0) 0.87 (0.61,1.24) 0.44
+781 TT 37 (12.3) 31 (10.3) 1.16 (0.69,1.96) 0.58
+781 C allele frequency 429 (71.5) 430 (71.7) 1.00 (Reference)  
+781 T allele frequency 171 (28.5) 170 (28.3) 1.01 (0.79,1.30) 0.95