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

Table 5

Comparison of plasma D-dimer between the two groups [, mg/L].

Group	Cases	Before operation	Third days after operation	Seven days after operation	Fourteen days after operation
Control group	42
Research group	42
		0.340	2.222	2.433	3.104
		0.735	0.029	0.017	0.003