Table 1 Univariate analyses of risk factors associated with preoperative DVT following Femoral shaft fracture
Variables | Number (%) of DVT (n = 114) | Number (%) of non-DVT (n = 318) | P |
|---|---|---|---|
Age (years) | 49.4 ± 17.9 | 43.2 ± 17.4 | 0.001 |
Gender | 0.504 | ||
Male | 75 (65.8) | 220 (69.2) | |
Female | 39 (34.2) | 98 (30.8) | |
BMI (kg/m2) | 0.292 | ||
18.5–23.9 | 63 (55.3) | 158 (49.7) | |
< 18.5 | 3 (2.6) | 10 (3.1) | |
24.0–27.9 | 28 (24.6) | 107 (33.6) | |
≥ 28.0 | 20 (17.5) | 43 (13.5) | |
Alcohol consumption | 12 (10.5) | 36 (11.3) | 0.817 |
Current smoking | 13 (11.4) | 43 (13.5) | 0.563 |
Hypertension | 33 (28.9) | 68 (21.4) | 0.102 |
Diabetes mellitus | 16 (14) | 29 (9.1) | 0.140 |
The history of cerebrovascular disease | 7 (6.1) | 29 (9.1) | 0.323 |
History of any surgery | 31 (27.2) | 79 (24.8) | 0.621 |
Time from injury to operation | 13.8 ± 8.5 | 7.7 ± 6.5 | < 0.001 |
Total hospital stay (days) | 26.8 ± 16.6 | 22.4 ± 25.2 | 0.040 |
ASA (III and above) | 36 (31.6) | 81 (25.5) | 0.208 |
Mechanism (high-energy) | 86 (75.4) | 249 (78.3) | 0.530 |
Fracture type (AO/OTA) | 0.135 | ||
A | 75 (65.8) | 240 (75.5) | |
B | 27 (23.7) | 55 (17.3) | |
C | 12 (10.5) | 23 (7.2) | |
TP (< 65 g/L) | 97 (85.1) | 262 (82.4) | 0.510 |
ALB (< 35 g/L) | 100 (87.7) | 247 (77.7) | 0.021 |
ALT (> upper limit) | 35 (30.7) | 95 (29.9) | 0.869 |
AST (> upper limit) | 45 (39.5) | 106 (33.3) | 0.238 |
TBIL (> 21 umol/L) | 30 (26.3) | 81 (25.5) | 0.860 |
CHE (< 5 ku/L) | 42 (36.8) | 99 (31.1) | 0.265 |
HCRP (> 8 mg/L) | 94 (82.5) | 238 (74.8) | 0.098 |
LDH (> 250 U/L) | 60 (52.6) | 155 (48.7) | 0.476 |
TC (> 5.2 mmol/L) | 5 (4.4) | 17 (5.3) | 0.689 |
TG (> 1.7 mmol/L) | 14 (12.3) | 46 (14.5) | 0.563 |
GLU (> 6.1 mmol/L) | 62 (54.4) | 150 (47.2) | 0.186 |
WBC (> 9.5*109/L) | 57 (50.0) | 151 (47.5) | 0.645 |
NEU (> 6.3*109/L) | 70 (61.4) | 200 (62.9) | 0.778 |
LYM (< 1.1*109/L) | 49 (43) | 134 (42.1) | 0.876 |
RBC < lower limit | 102 (89.5) | 256 (80.5) | 0.029 |
HGB < lower limit | 102 (89.5) | 244 (76.7) | 0.003 |
HCT < lower limit | 105 (92.1) | 262 (82.4) | 0.013 |
PLT (> 300*109/L) | 21 (18.4) | 60 (18.9) | 0.916 |
FIB (> 4 g/L) | 46 (40.4) | 76 (23.9) | 0.001 |
FDP (> 5 ug/L) | 48 (42.1) | 91 (28.6) | 0.008 |
D-dimer (> 0.5 mg/L) | 86 (75.4) | 179 (56.3) | < 0.001 |