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BMJ quality & safety
 
From:
Published online 2011 January 17. doi: 10.1136/bmjqs.2010.041152

Table 2

Characteristics and distribution of patients with adverse events (AEs)

Patient characteristicsOverallAdmission age-group categoriesp Level
0–28 days29–365 days>1–5 years>5 years
Age
 No of patients and percentage of overall AEs89 (100%)33 (37.1%)21 (23.6%)17 (19.1%)18 (20.2%)0.006
 Percentage of age group with AE22.0%14.2%14.8%10.1%ns
 95th percentile CI for percentage of age group15.4–28.68.6–19.88.3–21.35.7–14.5ns
Gender
 Percentage of males with AE (95th percentile CI)16% (12.4% to 20.4%)ns
 Percentage of females with AE (95th percentile CI)13% (9.3% to 17.5%)ns

In the nurses' review, only 78 (87.6%) of the 89 AE patient charts were identified as having one or more triggers (table 3).

The sensitivity of the Canadian Association of Paediatric Health Centres Trigger Tool was 0.88 (95% CI 0.79 to 0.94) and the specificity 0.44 (95% CI 0.39 to 0.48).

Further review of the 11 (12.4%) AE charts designated by the nurses as trigger-negative revealed that the trigger: ‘Other: Any other undesirable outcomes not covered above’ could have been applied to nine charts.