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Table 3 Characteristics of patients included in medical record review pre and post implementation (n = 96 for each sample)

From: Implementation study of a 5-component pediatric early warning system (PEWS) in an emergency department in British Columbia, Canada, to inform provincial scale up

Sample characteristicPre-implementation
n (%)
Post-implementation
n (%)
p-value *
Female / male52 (54.2) / 44 (45.8)39 (40.6) / 57 (59.4)0.08
Age
 0–3 months22 (22.9)17 (17.7)0.16
 4–11 months4 (4.2)11 (11.5)
 1–3 years20 (20.8)23 (24.0)
 4–6 years14 (14.6)18 (18.8)
 7–11 years16 (16.7)17 (17.7)
 12–16.9 years20 (20.8)10 (10.4)
Most responsible diagnosis a
 Respiratory23 (24.0)26 (27.1)0.24
 Gastrointestinal10 (10.4)19 (19.8)
 Hyperbilirubinemia10 (10.4)8 (8.3)
 Other diagnosis53 (55.2)43 (44.8)
Discharge disposition from ED
 Transferred to higher level of care37 (38.5)22 (22.9)0.03
 Admitted internally59 (61.5)74 (77.1)
CTAS level
 CTAS 17 (7.3)10 (10.4)0.05
 CTAS 244 (45.8)43 (44.8)
 CTAS 340 (41.7)28 (29.2)
 CTAS 45 (5.2)15 (15.6)
  1. CTAS Canadian Triage and Acuity Scale, ED Emergency Department, PEWS Pediatric Early Warning System
  2. * P-value calculated with Fisher’s exact test for count data
  3. a 3% entries missing during pre-implementation review. Diagnosis based on most affected system. If multiple diagnoses were presented in discharge summary, priority was given to the first one written
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