TABLE 2

Detection of ADEs by 2 Reporting Systems

VariableAll EventsSeverity ≥ 3Severity ≤ 2
SRSADE-SSRSADE-SaSRSADE-S
No. of events849153793787561459
ADEs/1000 patient-days (95% confidence intervals)16.6 (15.6–17.8)32.3 (30.7–33.9)1.8 (1.5–2.2)1.6 (1.3–2.1)14.8 (13.8–15.9)30.6 (29.1–32.2)
ADEs/100 admissions (95% confidence intervals)18.0 (16.9–19.1)34.9 (33.5–36.3)1.9 (1.6–2.4)1.8 (1.4–2.2)16.1 (15.0–17.1)33.1 (31.7–34.5)
  • a For ADE-S, these events also have a causality score of ≥5.