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Table 3 Comparison of postoperative complications

From: Analgesic efficacy and safety of methylene blue combined with cocktail for periarticular infiltration following total knee arthroplasty: a prospective, randomized, controlled study

Outcome indicators

C group (n = 35)

M group (n = 35)

χ2

P

Nausea and vomiting (%)

7(20%)

5(14.2%)

0.402

0.526

Lower limb venous thrombosis (%)

1(2.9%)

0(0)

1.014

0.317

Wound infection or poor healing (%)

0(0)

0(0)

Somnolence (%)

0(0)

0(0)

Urine blue dye (%)

0(0)

35(100%)