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Table 3 Stratification analysis of APOE genotype frequency in LEDVT patients

From: Apolipoprotein E polymorphism is associated with lower extremity deep venous thrombosis: color-flow Doppler ultrasound evaluation

Variable Cases E2/E2 E2/E3 E2/E4 E3/E3 E3/E4 E4/E4
n (%) P n (%) P n (%) P n (%) P n (%) P n (%) P
Smoking status 300 3(1.0)   1(0.3)   1(0.3)   185(61.7)   105(35.0)   5(1.7)  
 Ever 122 1(0.8) 0.86 0(0) 0.90 0(0) 0.90 71(58.2) 0.74 48(39.3) 0.57 2(1.6) 0.98
 Never 178 2(1.1) 0.90 1(0.6) 0.71 1(0.6) 0.71 114(64.0) 0.80 57(32.0) 0.64 3(1.7) 0.99
Presence of varicose veins 300 3(1.0)   1(0.3)   1(0.3)   185(61.7)   105(35.0)   5(1.7)  
 YES 72 1(1.4) 0.78 0(0) 0.84 0(0) 0.84 45(62.5) 0.95 25(34.7) 0.98 1(1.4) 0.87
 NO 228 2(0.9) 0.89 1(0.4) 0.85 1(0.4) 0.85 140(61.4) 0.98 80(35.1) 0.99 4(1.8) 0.94
Type 2 diabetes mellitus 300 3(1.0)   1(0.3)   1(0.3)   185(61.7)   105(35.0)   5(1.7)  
 YES 25 1(4.0) 0.24 0(0) 0.41 0(0) 0.41 16(64.0) 0.91 7(28.0) 0.61 1(4.0) 0.43
 NO 275 2(0.7) 0.73 1(0.4) 0.95 1(0.4) 0.95 169(61.5) 0.98 98(35.6) 0.91 4(1.4) 0.84
Any hormone administration before 300 3(1.0)   1(0.3)   1(0.3)   185(61.7)   105(35.0)   5(1.7)  
 YES 30 1(3.3) 0.30 0(0) 0.47 0(0) 0.47 18(60.0) 0.93 9(30.0) 0.70 2(6.7) 0.11
 NO 270 2(0.7) 0.74 1(0.4) 0.94 1(0.4) 0.94 167(61.9) 0.98 96(35.5) 0.92 3(1.1) 0.58
Family history of DVT 300 3(1.0)   1(0.3)   1(0.3)   185(61.7)   105(35.0)   5(1.7)  
 Positive 58 1(1.7) 0.64 0(0) 0.74 0(0) 0.74 22(37.9) 0.07 34(58.6) 0.04 1(1.7) 0.98
 Negative 242 2(0.8) 0.84 1(0.4) 0.88 1(0.4) 0.88 163(67.4) 0.52 71(29.3) 0.32 4(1.7) 0.99