Table 1.

Univariate Analysis of Preoperative DVT Risk in Patients With Pelvic Fractures.

	No thrombosis	Thrombosis	Overall	t/Chi-square/Z	P
No. of patients	101	27	128
Age	41.22 ± 14.60	54.59 ± 9.96	44.04 ± 14.77	−5.564	<0.001
Gender
Female	40	5	45	4.155	0.042
Male	61	22	83
Fracture classification
Tile A	5	1	6	7.127	0.028
Tile B	61	9	70
Tile C	35	17	52
Medical morbidity
Hypertension	2	6	8	0.000	1.000
Diabetes	2	1	3	0.000	1.000
Coronary heart disease	4	1	5	0.000	1.000
Arrhythmia	3	1	4	0.000	1.000
Associated trauma	38	13	51	0.985	0.321
History of tumor	1	0	1	0.000	1.000
Preoperative blood transfusion	29	12	41	2.422	0.120
BMI	21.99 ± 3.48	21.35 ± 3.46	21.86 ± 3.47	0.848	0.398
Days between fracture and hospitalization (days)	3.76 ± 5.05 [0,30]	3.81 ± 4.75 [0,18]	3.77 ± 4.97 [0,30]	−0.048	0.961
Days between fracture and operation (days)	9.15 ± 5.71	9.22 ± 5.05	9.16 ± 5.56	−0.061	0.951
ASA classification
1	21	2	23	10.761	0.013
2	56	10	66
3	23	14	37
4	1	1	2
Serum markers
HGB at admission (mg/L)	112.26 ± 19.86	106.46 ± 24.38	111.02 ± 20.93	1.256	0.212
HCT at admission (%)	34.43 ± 9.13	32.15 ± 7.98	33.95 ± 8.92	1.158	0.249
HGB at preoperative 1 day (mg/L)	112.03 ± 17.93	105.50 ± 14.40	110.56 ± 17.323	1.335	0.186
HCT at preoperative 1 day (%)	34.03 ± 4.20	32.36 ± 4.05	33.65 ± 4.20	1.413	0.162
D-dimer at admission (mg/L)	10.11 ± 11.91 [0.80,62.60]	20.31 ± 16.83 [4.05,71.09]	12.24 ± 13.66 [0.80,71.09]	−3.475	0.001
FIB at admission (mg/L)	4.38 ± 4.27 [1.45,32.10]	3.32 ± 1.33 [1.47,5.95]	4.16 ± 3.87 [1.45,32.10]	1.219	0.225
D-dimer at preoperative 1 day (mg/L)	8.09 ± 7.13 [0.79,32.50]	12.25 ± 17.14 [3.08,69.56]	9.34 ± 11.08 [0.79,69.56]	−0.906	0.378