Table 1 Clinical risk factors associated to VTE
Parameter | Total N = 136 (SD or %) | VTE (−) N = 121 (SD or %) | VTE (+) N = 15 (SD or %) | P-value |
|---|---|---|---|---|
Age (year) | 32.5 (10.8) | 32.1 (10.9) | 35.7 (9.6) | .226 |
Gender (Male/Female) | 88 (64.7) /48 (35.3) | 76 (62.8) / 45 (37.2) | 12 (80.0) / 3 (20.0) | .257 |
BMI (kg/m2) | 24.8 (4.1) | 24.8 (4.1) | 24.9 (4.4) | .915 |
Smoke | 23 (18.9) | 21 (19.4) | 2 (14.3) | 1.00 |
Operation technique | Â | Â | Â | .201 |
 ACLR | 71 (52.2) | 64 (52.9) | 7 (46.7) |  |
 ACLR + Meniscal repair | 42 (30.9) | 36 (29.8) | 6 (40.0) |  |
 ACLR + Meniscectomy | 12 (8.8) | 12 (9.9) | 0 (0) |  |
 ACLR+MCLR | 3 (2.2) | 1 (0.8) | 2 (13.3) |  |
 ACLR+ORIF | 1 (0.7) | 1 (0.8) | 0 (0) |  |
 ACLR revision | 7 (5.1) | 7 (5.8) | 0 (0) |  |
Graft | Â | Â | Â | .444 |
 ST | 106 (77.9) | 93 (76.9) | 13 (86.7) |  |
 BTB | 11 (8.1) | 10 (8.3) | 1 (6.7) |  |
 QT | 14 (10.3) | 14 (11.6) | 0 (0) |  |
 ST + G | 5 (3.7) | 4 (3.3) | 1 (6.7) |  |
Operation time (min) | 192.8 (49.7) | 193.6 (50.3) | 186.9 (45.4) | .627 |
Tourniquet time (min) | 31.3 (22.8) | 31.4 (22.5) | 30.9 (26.6) | .947 |
Preoperative blood test | Â | Â | Â | Â |
 WBC (102/μl) | 61.7 (13.4) | 61.3 (13.6) | 65.1 (11.3) | .294 |
 Hb (g/dl) | 14.8 (1.6) | 14.8 (1.6) | 14.8 (1.5) | .980 |
 Plt (104/μl) | 25.3 (4.8) | 25.3 (4.8) | 25.0 (4.9) | .782 |
 PT-INR | 0.96 (0.05) | 0.96 (0.05) | 0.96 (0.06) | .936 |
 D -dimer (μg/ml) | 0.59 (0.21) | 0.58 (0.22) | 0.64 (0.21) | .552 |
Postoperative blood test | ||||
 D -dimer (μg/ml) | 2.16 (1.3) | 2.01 (1.2) | 3.41 (1.0) | <.001 |