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Table 4 Patients with records in the administrative data indicating an adverse drug event among patients with adverse drug events identified at the point-of-care in the emergency department, by category of diagnostic ICD-10 code and type of adverse drug event

From: Evaluating adverse drug event reporting in administrative data from emergency departments: a validation study

ICD-10 code category* Any ADE Chief complaint-related Incidentally found
  (n = 221) (n = 158)* (n = 63)**
Induced or related to a medication (%; 95% CI) 15 (6.8; 4.0–11.2) 14 (8.9; 5.1–14.7) 1 (1.6; 0.1–9.7)
Induced or related to a medication,very likely, likely or possible ADE (%; 95% CI) 62 (28.1; 22.3–34.6) 45 (28.5; 21.7 – 36.3) 17 (27.0; 16.9–39.9)
  1. Abbreviations: ICD = international classification of disease; ADE = adverse drug event, CI = confidence interval.
  2. * “Chief complaint-related” refers to patients with at least one chief complaint-related ADE.
  3. ** “Incidentally found” refers to patients with incidentally found ADEs only.