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Table 5 Data of multivariate analysis after adjusting for possible confounders

From: Impact of surgical site infection on patients’ outcome after fixation of tibial plateau fractures: a retrospective multicenter study

   Coefficient 95 % Confidence interval p
KOOS SSI -15.3 -23.3 -7.2 < 0.001  
symptoms AO C vs. B -11.2 -17.3 -5.1 < 0.001  
  Concomitant injury -5.9 -10.0 -1.8 0.004  
KOOS SSI -13.3 -22.8 -3.7 0.006  
pain Pre-existing conditions      
  1–3 -4.0 -10.4 2.4 0.22  
  4–5 -11.3 -30.0 7.4 0.23  
  ≥ 6 -27.6 -51.8 -3.4 0.023  
  AO C vs. B -12.1 -19.6 -4.5 0.002  
  Compartment syndrome -10.9 -22.8 1.1 0.070  
  External fixation 5.1 -3.7 13.9 0.25  
KOOS SSI -22.8 -31.6 -14.0 < 0.0.001  
ADL Pre-existing conditions      
  1–3 -9.1 -15.1 -3.0 0.003  
  4–5 -12.3 -29.9 5.3 0.165  
  ≥ 6 -30.3 -53.1 -7.6 0.008  
  AO C vs. B -10.5 -17.0 -4.0 0.001  
  Compartment syndrome -10.6 -21.7 0.5 0.058  
KOOS Pre-existing conditions      
Sport/Rec 1–3 -20.7 -29.9 -11.4 < 0.001  
  4–5 -23.7 -50.3 2.9 0.076  
  ≥ 6 -23.7 -58.5 11.1 0.175  
  AO C vs. B -9.8 -19.0 -0.5 0.036  
  Concomitant injury -6.8 -13.3 -0.3 0.036  
KOOS Body weight (10 kg) -2.5 -4.8 -0.2 0.033  
QoL Pre-existing conditions      
  1–3 -8.3 -16.2 -0.4 0.037  
  4–5 -19.1 -41.9 3.6 0.094  
  ≥ 6 -14.2 -43.9 15.6 0.34  
  AO C vs. B -14.2 -22.6 -5.8 < 0.001  
  Compartment syndrome -15.9 -29.6 -2.2 0.021  
KOOS5 SSI -16.2 -24.7 -7.6 < 0.001  
  Pre-existing conditions      
  1–3 -8.4 -14.1 -2.7 0.004  
  4–5 -13.7 -30.2 2.8 0.099  
  ≥ 6 -23.5 -44.8 -2.1 0.029  
  AO C vs. B -10.7 -16.8 -4.5 0.001  
  Concomitant injury -3.6 -7.7 0.5 0.082  
  Compartment syndrome -9.1 -19.6 1.3 0.081  
Lysholm knee scoring scale SSI -11.4 -22.1 -0.6 0.036  
  Pre-existing conditions      
  1–3 -7.9 -15.8 0.0 0.047  
  4–5 -14.1 -37.0 8.7 0.22  
  ≥ 6 -17.5 -47.3 12.3 0.24  
  AO C vs. B -15.3 -23.5 -7.0 < 0.001  
  1. ADL activities of daily living, Sport/Rec function/sports and recreational activities, QoL quality of life, SSI surgical site infection, KOOS Knee injury and Osteoarthritis Outcome Score, KOOS5 overall Knee injury and Osteoarthritis Outcome Score, KOOS Knee injury and Osteoarthritis Outcome Score, KOOS5 overall Knee injury and Osteoarthritis Outcome Score, AO Arbeitsgemeinschaft für Osteosynthesefragen Foundation