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Table 2 Summary of univariable analysis of risk factors associated with mortality among patients with K. pneumoniae infections

From: A hospital-based matched case–control study to identify clinical outcome and risk factors associated with carbapenem-resistant Klebsiella pneumoniae infection

Risk factor Survivors (n = 39) Non-survivors (n = 21) OR (95% CI) p
Male sex 20 (51.3) 14 (66.7) 0.53 (0.16-1.59) 0.25
McCabe score     
 Rapidly fatal 10 (25.6) 5 (23.8) 1.1 (0.32-3.79) 0.15
 Potentially fatal/Non fatal 29 (74.4) 16 (76.2)   
Charlson score ≥ 3 13 (33.3) 10 (47.6) 1.82 (0.62-5.38) 0.28
Transplant receipt 7 (17.9) 6 (28.6) 0.55 (0.16-1.91) 0.35
Prior corticosteroid use 24 (61.5) 14 (66.7) 0.80 (0.26-2.44) 0.69
Prior surgery 27 (69.2) 10 (47.6) 2.48 (0.83-7.39) 0.10
Dialysis 4 (10.3) 8 (38.1) 0.19 (0.05-0.72) 0.01
ICU stay 32 (82.1) 20 (95.2) 0.23 (0.03-1.99) 0.15
APACHE II score, mean, on admission 16.2 22.4 1.39 (−10.65-1.65) 0.009
SOFA score, mean, on admission 5.6 7.7 3.59 (−4.54 -0.27) 0.08
Vasopressor drug use 1 (2.6) 6 (28.6) 15.2 (1.68-137.15) 0.006
Mechanical ventilation 5 (12.8) 7 (33.3) 3.40 (0.92-12.55) 0.09
Appropriate antibiotic therapy 27 (69.2) 11 (52.4) 2.04 (0.68-6.11) 0.19
Carbapenem resistance 10 (25.6) 10 (47.6) 2.64 (0.86-8.07) 0.085
  1. Univariable analysis demonstrated that risk factors associated with in-hospital mortality among patients with K. pneumoniae infection included receiving dialysis, elevated APACHE scores, and vasopressor drug administration. Figures in parentheses represent percentage values unless otherwise stated.