Table 4

 Population estimates of preventable adverse events by age group and setting

Age groupTotal PAEs*, nAmbulatory care PAEs*Distribution of ambulatory PAEs across ambulatory care settings*
Total PAEs (%)n (95% CI)Physician’s officeHomeDay surgeryHospital clinicED
ED, emergency department; PAE, preventable adverse events.
*Row percentages.
Children (2 days–20 years)70829.8211 (225 to 196)50.00.00.050.00.0
Non-elderly adults(21–64 years)436613.4583 (664 to 524)31.813.69.10.045.5
Elderly adults (⩾65 years)413411.8488 (550 to 426)16.733.30.016.733.3