Table 2.

Comparison of the incidence of VTE between groups

Groups	VTE incidence	Subgroup analysis
		Distal DVT	Intermuscular DVT
1 h	15.2% (7/46)	4.3%(2/46)	10.9%(5/46)
6 h	8.7% (4/46)	0.0% (0/46)	8.7%(4/46)
12 h	15.6% (7/45)	2.2%(1/45)	13.3%(6/45)
18 h	17.8% (8/45)	2.2%(1/45)	15.6%(7/45)
20 h	21.7% (10/46)	6.5%(3/46)	15.2%(7/46)
Total	15.8% (36/228)	3.1%(7/228)	12.7%(29/228)
P	0.539	0.541	0.846

VTE: venous thromboembolism; DVT: deep vein thromboses