Table 2 Univariate analysis of factors associated with preoperative deep venous thrombosis (DVT)
Variables | Number (%) of patients without DVT (n = 913) | Number (%) of patients with DVT (n = 67) | P |
|---|---|---|---|
Gender (males) | 282 (30.9) | 22 (32.8) | 0.739 |
Age | 72.5 ± 8.6 | 72.5 ± 7.2 | 0.860 |
60–69 | 385 (42.2) | 27 (40.3) | |
70–79 | 311 (34.1) | 28 (41.8) | |
≥ 80 | 217 (23.8) | 12 (17.9) | |
Living place (rural) | 483 (52.9) | 39 (58.2) | 0.401 |
Body mass index (BMI) | 23.6 ± 3.7 | 23.5 ± 3.4 | 0.199 |
18.5–23.9 | 411 (45.0) | 27 (40.3) | 0.208 |
< 18.5 | 89 (9.7) | 8 (11.9) | |
24.0–27.9 | 313 (34.3) | 29 (43.3) | |
≥ 28.0 | 100 (11.0) | 3 (4.5) | |
Hypertension | 453 (49.6) | 36 (53.7) | 0.516 |
Diabetes mellitus | 209 (22.9) | 18 (26.9) | 0.457 |
Liver disease | 34 (3.7) | 1 (1.5) | 0.342 |
Heart disease | 237 (26.0) | 19 (28.4) | 0.666 |
Rheumatoid arthritis | 42 (4.3) | 4 (6.0) | 0.515 |
Pulmonary disease | 57 (6.2) | 2 (3.4) | 0.279 |
Renal insufficiency | 67 (7.3) | 11 (16.4) | 0.008 |
Cerebrovascular disease | 274 (30.0) | 17 (25.4) | 0.423 |
History of allergy | 14 (20.9) | 194 (21.2) | 0.946 |
Alcohol consumption | 189 (20.7) | 17 (25.4) | 0.618 |
Current smoking | 148 (16.2) | 19 (28.4) | 0.011 |
Previous operation in any site | 272 (29.8) | 24 (35.8) | 0.300 |
Time from injury to DUS (days) | 4.1 ± 3.7 | 6.0 ± 4.7 | 0.003 |
Total hospital stays (days) | 14.2 ± 6.8 | 19.1 ± 7.8 | < 0.001 |
Time from injury to definite operation (days) | 5.0 ± 2.9 | 7.3 ± 3.8 | < 0.001 |
Fracture classification | 0.601 | ||
B1 | 166 (18.2) | 15 (22.4) | |
B2 | 519 (56.8) | 38 (56.7) | |
B3 | 228 (25.0) | 14 (20.9) | |
ASA score | 0.368 | ||
I-II | 605 (66.3) | 48 (71.6) | |
III-IV | 308 (33.7) | 19 (28.4) | |
WBC (> 10*109/L) | 308 (33.7) | 22 (32.8) | 0.811 |
NEU (> 6.3*109/L) | 493 (54.0) | 34 (50.7) | 0.575 |
LYM (< 1.1*109/L) | 488 (53.5) | 25 (37.3) | 0.011 |
PLT (> 220*109/L) | 335 (36.7) | 38 (56.7) | 0.001 |
RBC (<Lower limit) | 578 (63.3) | 39 (58.2) | 0.149 |
HGB (<Lower limit) | 523 (57.3) | 35 (52.2) | 0.392 |
HCT (<Lower limit) | 581 (63.6) | 40 (59.7) | 0.437 |
PDW (< 12.0%) | 52 (5.7) | 2 (3.0) | 0.550 |
D-dimer (> 0.5 mg/L) | 610 (66.8) | 47 (70.1) | 0.575 |
TP (< 60 g/L) | 454 (49.7) | 36 (53.7) | 0.655 |
ALB (< 35 g/L) | 478 (52.4) | 38 (56.7) | 0.490 |
ALT (> 50 U/L) | 86 (9.4) | 13 (19.4) | 0.009 |
AST (> 40 U/L) | 121 (13.3) | 17 (25.4) | 0.006 |
GGT (> 60 U/L) | 107 (11.7) | 9 (13.4) | 0.907 |
TC (> 5.2 mmol/L) | 48 (5.3) | 5 (7.5) | 0.571 |
TG (> 1.7 mmol/L) | 68 (7.4) | 4 (6.0) | 0.752 |
Sodion (< 135 mmol/L) | 349 (38.2) | 26 (38.8) | 0.875 |
Chloridion (< 98 mmol/L) | 73 (8.0) | 7 (10.4) | 0.634 |
FBG (> 6.1 mmol/L) | 460 (50.4) | 39 (58.2) | 0.345 |