[Retracted] Application of CT Scan in Diagnosis of Iliac-Femoral Vein Thrombosis after Hip Replacement

Table 4

Comparison of peak and average velocity of femoral vein between two groups.

Group		Preoperative		Postoperative day 1		Postoperative day 7
		Peak systolic velocity	Mean flow rate	Peak systolic velocity	Mean flow rate	Peak systolic velocity	Mean flow rate
Control group	45
Intervention group	45
		0.347	0.518	-2.065	-0.181	-5.716	-2.778
		0.729	0.606	0.042	0.857	0.000	0.007