Table 5.

Hospital Incident Report vs Family Contributions to Overall Error and AE Rates^a,^b

Frequency	Rate (95% CI)		Relative Rate (95% CI)
	Hospital Incident Report	Family Reporting
Per 1000 patient-d
Errors	1.7 (0.7–4.2)	8.7 (5.5–13.6)	5.0 (1.9–13.0)
AEs	2.4 (1.0–5.6)	6.9 (4.2–11.4)	2.9 (1.2–6.7)
Per 100 admissions
Errors	0.6 (0.3–1.5)	3.1 (2.0–4.9)	5.0 (1.9–13.0)
AEs	0.9 (0.4–2.0)	2.5 (1.5–4.1)	2.9 (1.2–6.7)

Abbreviation: AE, adverse event.

^aFamilies reported errors and AEs at rates 5 and 3 times, respectively, greater than hospital incident reports.

^bResults from sites with available hospital incident report data (3 of 4 study sites).