TABLE 1.

Patients' clinical characteristics

	N	Gender								Range of deep venous thrombosis
		Male		Female				Comorbidities		I		II		III
		n	%	n	%	Age (years)	Body mass index	n	%	n	%	n	%	n	%
Group A	35	25	71.4	10	28.6	62.4 ± 10.2	22.3 ± 1.9	26	72.3
Group B	46	29	63.0	17	37.0	61.1 ± 14.1	21.8 ± 2.0	32	69.5
Group A+	33	23	70.0	10	30.0	62.8 ± 10.3	22.6 ± 1.7	24	72.7	24	72.7	7	21.3	2	6.0
Group B+	22	14	63.6	8	36.4	61.3 ± 13.3	22.0 ± 1.6	15	68.2	16	72.7	5	22.7	1	4.6

Note: Comorbidities—hypertension, hyperglycemia, coronary atherosclerotic heart disease, cerebral infarction, cerebral hemorrhage, malignant tumor, chronic obstructive pulmonary disease, etc. I: Intermuscular vein; II: Intermuscular vein, peroneal vein and posterior tibial vein; III: Intermuscular vein, peroneal vein, posterior tibial vein, popliteal vein and above.