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Table 1 Demographic data for patients in group C and group U

From: Risk factors of uncontrolled periprosthetic knee joint infection after two-stage reimplantation

VariableGroup C (n = 53)Group U (n = 17)p value
Age69.72 ± 6.4666.88 ± 6.670.121
Sex  1.000
 Male9 (17.0%)3 (17.6%) 
 Female44 (83.0%)14 (82.4%) 
Body mass index25.5 ± 8.424.4 ± 9.20.438
Affected side  0.525
 Right27 (50.9%)7 (41.2%) 
 Left26 (49.1%)10 (58.8%) 
Symptom duration (months)7.3 ± 11.67.8 ± 11.00.715
Interval between TKA and resection arthroplasty (months)24.2 ± 21.416.9 ± 11.80.854
Duration of follow-up (months)32.6 ± 8.033.7 ± 7.70.629
Previous history of knee surgery9 (17.0%)1 (5.9%)1.000
Final Korean Knee Score68.0 ± 12.159.5 ± 10.30.180
  1. Data presented as mean ± standard deviation or n (%). Group C controlled infection group, Group U uncontrolled infection group, TKA total knee arthroplasty