Table 2 Outcomes from the ITS analysis projecting the impact of interventions A, B and C on the overcrowding indicators. The study period is truncated into periods before and after the start of each intervention A, B and C; respectively starting on February 01, 2018, October 01, 2017 and April 01, 2019. We calculate the changes over a period of 6Â months before and after the start of each intervention
Changes in number of people attending UCLH ED | ||
|---|---|---|
Intervention | IRR (95% CI) | p-value |
interventions A | 1.058 (1.041,1.075) | < 0.001 |
Interventions B | 1.053 (1.034,1.071) | < 0.001 |
Interventions C | 1.074 (1.057,1.091) | < 0.001 |
Changes in % of people leaving within 4 h of arrival | ||
 Interventions A | 0.935 (0.927,0.943) | < 0.001 |
 Interventions B | 0.926 (0.919,0.934) | < 0.001 |
 Interventions C | 0.938 (0.929,0.947) | < 0.001 |
Changes in average waiting time | ||
 Interventions A | 0.834 (0.734,0.949) | 0.005 |
 Interventions B | 0.913 (0.763,1.092) | 0.322 |
 Interventions C | 0.832 (0.773,0.896) | < 0.001 |