Tranexamic Acid Combined with Compression Bandage Following Total Knee Arthroplasty Promotes Blood Coagulation: A Retrospective Analysis

Table 4

Comparison of prothrombin time and international normalized ratio between the two groups ().

Time	Prothrombin time (PT, s)			International normalized ratio (INR)
	Control	Observation		Control	Observation
Preoperation			0.142			0.744
1st day			0.011			0.414
3rd day			0.010			0.153
6th day			0.004			0.081