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Table 1 Epidemiological characteristics of patients included in the study. BMI - body mass index. RA rheumatoid arthritis, NPWT negative-pressure wound therapy

From: The use of negative-pressure wound therapy after total knee arthroplasty is effective for reducing complications and the need for reintervention

  Total NPWT Conventional dressing p
Male sex 37.2% 38.1% 36.7% 0.89
Age (years) 66.4 70 (15.5) 66 (13) 0.12
BMI 28.3 27.9 (2.7) 27.4 (4.5) 0.30
Obesity 24.0% 22.7% 24.6% 0.77
Diabetes 17.2% 21.6% 15.1% 0.19
Smoking 7.4% 10.3% 6.0% 0.23
RA 17.2% 18.6% 16.6% 0.39