[Retracted] A Cohort Study of Rivaroxaban Combined with D-Dimer Dynamic Monitoring in the Prevention of Deep Venous Thrombosis after Knee Arthroplasty

Table 1

Comparison of VAS scores between the two groups [, points].

Group	Cases	Before operation	The first day after operation	The third day after operation	The seven days after operation	The fourteen days after operation
Control group	42
Research group	42
		0.220	1.426	2.195	19.372	5.200
		0.827	0.158	0.031	<0.01	<0.01