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Table 3 Intensive care unit characteristics associated with intubation risk

From: Center effect in intubation risk in critically ill immunocompromised patients with acute hypoxemic respiratory failure

Hospital characteristics

Trial-OH cohort

High randomized controlled trial

OR* [95% CI]

p value

OR* [95% CI]

p value

Teaching hospital

1.04 [0.55; 1.96]

0.89

0.84 [0.46;1.52]

0.56

No. of hospital beds, per 100 beds

0.99 [0.94; 1.04]

0.77

0.94 [0.87;1.01]

0.11

No. of ICU beds, per 10 beds

0.96 [0.83; 1.12]

0.67

0.93 [0.66;1.31]

0.70

Annual volume of ID patients

0.95 [0.75; 1.22]

0.72

1.00 [0.81;1.23]

0.99

Annual IMV rate

1.26 [1.04; 1.53]

0.01

1.28 [1.02;1.62]

0.03

Time from respiratory symptoms to ICU admission, by day

1.08 [1.02; 1.15]

0.005

1.10 [1.02; 1.87]

0.02

  1. *Results were adjusted on age, Charlson comorbidity index, type of immunosuppression, allogeneic stem cell transplantation, sex, performance status> 2, diagnosis of acute respiratory failure, Pa02/FiO2 ratio in four categories (> 300, 200–300, 100–200, ≤100 mmHg, with > 300 mmHg as reference), respiratory rate > 30 /min, SOFA score without respiratory item
  2. Abbreviations: ICU intensive care unit, ID immunocompromised patients, IMV invasive mechanical ventilation