Efficacy of a Combined Intramedullary, Periarticular Injection, and Intraarticular Tranexamic Acid Application on Postoperative Bleeding in Total Knee Arthroplasty: A Retrospective Case-Matched Study

Table 2

Closed-suction drainage output.

Characteristic	Control group	TXA group	value
	N = 56	N = 55
0–8 h	412.3 ± 202.2	151.2 ± 87.8	<0.001
8–16 h	27.1 ± 55.9	19.4 ± 44.5	0.419
16–24 h	72.7 ± 46.2	88.6 ± 46.8	0.075
24–48 h	142.9 ± 78.3	160.6 ± 99.7	0.298
Total drainage	690.7 ± 308.5	458.5 ± 207.9	<0.001

Values are expressed as mean ± SD.