Outcomes after pediatric emergency department discharges for Ontario hospitals between 2010 and 2019*
| Balancing measure | No. (%)† of patients with bronchiolitis | No. (%)† of patients with asthma | ||||
|---|---|---|---|---|---|---|
| Imaging n = 22 798 | No imaging n = 38 116 | Risk difference (95% CI) | Imaging n = 38 149 | No imaging n = 103 772 | Risk difference (95% CI) | |
| Return ED visits within 7 d | 2958 (13.0) | 5744 (15.1) | −0.02 (−0.03 to −0.02) | 2739 (7.2) | 7556 (7.3) | −0.001 (−0.004 to 0.002) |
| Hospital admission within 7 d | 1098 (4.8) | 1928 (5.1) | −0.003 (−0.006 to 0.001) | 626 (1.6) | 1108 (1.1) | 0.006 (0.004 to 0.007) |
| ICU admission within 7 d | 57 (0.3) | 100 (0.3) | −0.0001 (−0.001 to 0.0007) | 33 (0.1) | 86 (0.1) | 0.00004 (−0.0003 to 0.0003) |
| No. (%)† of patients with abdominal pain | No. (%)† of patients with constipation | |||||
| Return ED visits within 7 d | 10 896 (17.8) | 45 689 (16.8) | 0.01 (0.007 to 0.01) | 4757 (10.4) | 5492 (8.5) | 0.02 (0.02 to 0.02) |
| Hospital admission within 7 d | 1418 (2.3) | 5258 (1.9) | 0.004 (0.003 to 0.005) | 728 (1.6) | 635 (1.0) | 0.006 (0.005 to 0.008) |
| ICU admission within 7 | 31 (0.1) | 95 (0.0) | 0.0002 (−0.00003 to 0.00035) | 31 (0.1) | 26 (0.0) | 0.0003 (−0.00001 to 0.0006) |
Note: CI = confidence interval, ED = emergency department, ICU = intensive care unit.
↵* Results for death within 7 days were not reported owing to small cell numbers (n = 1–5) in order to ensure data confidentiality. A standardized difference of 0.1 was used as a cut-off to denote substantial imbalances between groups.
↵† Unless otherwise indicated.