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Table 4 Bivariate and multivariable Accelerated Failure Time model estimates of the survival time within 30 days after the onset of infection among patients infected with K. pneumoniae

From: Risk factors and survival of patients infected with carbapenem-resistant Klebsiella pneumoniae in a KPC endemic setting: a case-control and cohort study

Variables Survivors (n = 276) Non-survivors (n = 62) Relative times (95% CI) Adjusted relative times (95% CI)
n % n %
CRKP infection 33 11.96 16 25.81 0.42 (0.22–0.76) 0.44 (0.24–0.84)
Male sex 161 58.33 37 59.68 0.91 (0.55–1.49)
Age in years (median, IQR) 65 (51–76) 71 (55–78) 0.99 (0.97–1.00) 0.99 (0.98–1.01)
Transfer from another facility 103 37.32 26 41.94 1.21 (0.74–1.96)
ICU hospitalization 31 11.23 20 32.26 0.61 (0.33–1.13) 0.77 (0.41–1.45)
Mechanical ventilation 23 8.33 13 20.97 0.92 (0.46–1.83)
Charlson Index score (median, IQR) 4 (2–6) 4 (3–6) 0.92 (0.84–1.01) 0.90 (0.78–1.03)
Healthcare associated infection 103 41.53 33 58.93 0.58 (0.34–0.98) 0.72 (0.40–1.30)
Surgical treatment 81 29.35 19 30.65 1.22 (0.73–2.05)
Type of infection
 UTI-CAUTI 109 39.49 11 17.74 reference  
 Pneumonia 17 6.16 7 11.29 0.58 (0.22–1.48) 0.54 (0.20–1.44)
 Bloodstream infection 32 11.59 16 25.81 0.52 (0.24–1.11) 0.58 (0.24–1.38)
 Surgical site infection 24 8.70 8 12.90 0.62 (0.25–1.54) 0.87 (0.32–2.40)
 Intra-abdominal 56 20.29 17 27.42 0.53 (0.26–1.05) 0.45 (0.21–0.94)
 Other 38 13.77 3 4.84 2.44 (0.88–6.76) 1.93 (0.68–5.46)