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Table 2 Pre- versus post-enrollment year rates (95% confidence intervals) in asthma-related utilization

From: Impact of a digital health intervention on asthma resource utilization

  Pre-enrollment Post-enrollment Rate Difference
Hospitalizations 1.8 (0.5, 4.6) 0.4 (0.01, 2.5) 1.3 (−0.6, 3.3)
Emergency department (ED) visits 11.6 (1.6, 17.0) 5.4 (2.8, 9.4) 6.3 (0.9, 11.6)
ED + Hospitalizations 13.4 (9.0, 19.1) 5.8 (3.1, 9.2) 7.6 (1.9, 13.3)