Table 3.

Overall Error and AE Rates Without vs With Family Reporting^a

Frequency	Rate (95% CI)		Relative Rate (95% CI)
	Without Family Reporting	With Family Reporting
Per 1000 patient-d
Errors	39.8 (33.6–46.9)	45.9 (39.2–53.7)	1.2 (1.1–1.2)
AEs	26.1 (21.3–32.1)	28.7 (23.6–35.0)	1.1 (1.0–1.2)b
Per 100 admissions
Errors	15.7 (13.1–18.8)	18.1 (15.3–21.5)	1.2 (1.1–1.2)
AEs	10.3 (8.3–12.9)	11.3 (9.1–14.0)	1.1 (1.0–1.2)b

Abbreviation: AE, adverse event.

^aIncluding families in error reporting led to significantly higher rates of overall errors and AEs.

^bP = .006.