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Table 2 Comparison of data between PAI and IAI

From: Significantly reducing blood loss via a peri-articular injection of tranexamic acid during total knee arthroplasty: a retrospective study

 

Peri-articular injection (Group I)

Intra-articular injection (Group II)

P value

Number

50

50

 

Surgery time

33.96 ± 0.73

34.9 ± 0.83

0.065

Intraoperative blood loss (mL)

34.66 ± 1.41

39.42 ± 0.97

0.472

Hemovac volume (mL)

460.1 ± 36.79

576.0 ± 34.01

< 0.001