Variables | DVT Group (n = 35, %) | Non-DVT Group (n = 316, %) | P value |
---|---|---|---|
Age > 51.5 year Gender Male Female Occupation Agricultural laborer Office clerk Residence, rural area | 35 (100.0) 6 (17.1) 29 (82.9) 21 (60.0) 14 (40.0) 16 (45.7) | 310 (98.1) 93 (29.4) 223 (70.6) 252 (79.7) 64 (20.3) 176 (55.7) | 0.411 0.125 0.008‡ 0.260 |
Disease duration > 8.5 year Comorbidities Hypertension Diabetes | 19 (54.3) 21 (60.0) 4 (11.4) | 114 (36.1) 144 (45.6) 40 (12.7) | 0.035‡ 0.105 0.835 |
Length of surgical incision (cm) Operation time > 169 min Intraoperative blood loss > 102 ml BMI > 26.8 kg/m2 | 11.8 ± 0.5 21 (60.0) 20 (57.1) 30 (85.7) | 11.9 ± 1.0 108 (34.2) 73 (23.1) 182 (57.6) | 0.410 0.003‡ < 0.001‡ 0.001‡ |
Preoperative- WBC (3.5–9.5*109/L) | 5.6 ± 1.5 | 5.9 ± 1.4 | 0.359 |
RBC (3.8–5.1*109/L) HGB (115–150* g/L) PLT (125–350*109/L) D dimer > 0.29 mg/L Prothrombin time < 10.7 s INR < 0.98 Length of hospitalization (day) | 4.3 ± 0.4 131.4 ± 14.2 221.8 ± 44.7 24 (68.6) 10 (28.6) 14 (40.0) 11.7 ± 3.9 | 4.3 ± 0.4 132.8 ± 15.0 239.2 ± 64.4 121 (38.3) 150 (47.5) 186 (58.9) 13.1 ± 4.6 | 0.446 0.594 0.121 0.001‡ 0.033‡ 0.032‡ 0.087 |