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Table 3 Portal of entry compared between uncomplicated and complicated SAB

From: C-reactive protein predicts complications in community-associated S. aureus bacteraemia: a cohort study

Portal of entry variables Total Uncomplicated Complicated Comparisona
% [n = 158] % [n = 51] % [n = 107] Crude OR 95% CI p-value
Skin/soft tissue infections 32.9 [52] 49.0 [25] 25.2 [27] 0.35 (0.17, 0.71) 0.003
Diabetic foot ulcer 8.9 [14] 8.9 [10] 3.7 [4] 0.16 (0.05, 0.54) 0.003
Pneumonia 2.5 [4] 2.0 [1] 2.8 [3] 1.44 (0.15, 14.22) 0.754
Unknown 36.1 [57] 15.7 [8] 45.8 [49] 4.54 (1.95, 10.57) < 0.001
Indwelling medical devicesb 15.8 [25] 9.8 [5] 18.7 [20] 2.11 (0.75, 6.00) 0.159
Injecting drug use 3.8 [6] 3.9 [2] 3.7 [4] 0.95 (0.17, 5.37) 0.955
  1. OR Odds ratio; CI Confidence Intervals
  2. aUnivariable logistic regression model
  3. bIndwelling medical devices relate to any external material and include all catheter types, k-wires, prosthesis and cardiac devices