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

Table 6

Comparison of the swelling degree of the affected limb between the two groups [].

Group		Thigh circumference difference (example)		Leg circumference difference (example)
		Before operation	Fourteen days after operation	Before operation	Fourteen days after operation
Control group	42		^a		^a
Research group	42		^b		^b
		0.464	4.506	0.148	4.744
		0.644	<0.01	0.883	<0.01

Note: the control group before and after nursing; ^a; the study group before and after nursing; ^b.