Table 1

Baseline (preintervention period) characteristics of hospitals and patients ventilated for more than 24 hours

Study groupIntervention groupControl group
Variablen/Median%/Q1; Q3n/Median%/Q1; Q3
Hospital characteristicsn=30 hospitalsn=29 hospitals
Number of beds, n (%)
Hospital ownership, n (%)
Ventilation cases per hospital, median (Q1; Q3)16182; 26712978; 255
Patient characteristicsn=6038 casesn=6586 cases
Age, median (Q1; Q3)7160; 797058; 78
Sex, n (%)
In-hospital death, n (%)
Myocardial infarction, n (%)
Stroke, n (%)
Pneumonia, n (%)
Chronic obstructive pulmonary disease (COPD), n (%)
Colorectal resection, n (%)