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Table 3 Estimation of the excess length of stay (LOS) and hazard ratios (HR) of discharge associated with ESBL+ and ESBL- infection

From: Infections caused by extended-spectrum beta-lactamases producing Enterobacteriaceae: clinical and economic impact in patients hospitalized in 2 teaching hospitals in Dakar, Senegal

   HR of discharge
  Excess LOS, days (95 % CI) Univariate (95 % CI) Multivariable (95 % CI)
ESBL+ infectiona 7.9 (7.6–9.2) 0.3 (0.2–0.4) 0.3 (0.2–0.4)
ESBL- infectionb 3.9 (3.8–4.6) 0.9 (0.7–1.2) 0.9 (0.7–1.2)
  1. CI confidence interval
  2. aModel A: Excess LOS due to ESBL+ infection
  3. 110 patients with ESBL+ infection versus 76 patients with ESBL- infection censored at time of infection and 186 uninfected patients
  4. bModel B: Excess LOS due to ESBL- infection
  5. Seventy-six patients with ESBL- infection versus 110 patients with ESBL+ infection censored at time of infection and 186 uninfected patients