Prevention and management of postoperative deep vein thrombosis in lower extremities of patients with gastrointestinal tumor

Table 1 Baseline demographic and clinical characteristics

Characteristic	Value (n = 100)
Age, years (mean ± SD)	62.4 ± 11.7
Sex (male), n (%)	58 (58)
BMI, kg/m² (mean ± SD)	26.8 ± 4.3
Tumor type, n (%)
Colorectal	40 (40)
Gastric	25 (25)
Pancreatic	15 (15)
Hepatobiliary	12 (12)
Esophageal	8 (8)
Tumor stage, n (%)
I	12 (12)
II	28 (28)
III	42 (42)
IV	18 (18)
Comorbidities, n (%)
Hypertension	45 (45)
Diabetes mellitus	22 (22)
Coronary artery disease	15 (15)
Chronic obstructive pulmonary disease	10 (10)
Preoperative laboratory values (mean ± SD)
Hemoglobin, g/dL	11.8 ± 1.6
Platelet count, × 109/L	256 ± 78
Creatinine, mg/dL	0.9 ± 0.3
Caprini risk score, n (%)
Moderate (2 points)	5 (5)
High (3-4 points)	32 (32)
Highest (≥ 5 points)	63 (63)

BMI: Body mass index.