Table 3

Summary results for five-phase models

OutcomeIntervention phaseChange in BRI
(95% CI)*
Change in CHH
(95% CI)*
Difference between sites (BRI−CHH), 95% CI †
Mortality (%)Pre-interventionRef.Ref.
Patient flow programme−1.4 (−1.9 to −0.8)−2.0 (−3.1 to −0.9)0.6 (−0.6 to 1.9)
Command centre display roll-in−1.5 (−2.1 to −0.9)−2.3 (−3.5 to −1.1)0.8 (−0.6 to 2.2)
Command centre activation−1.3 (−1.82 to −0.7)−1.3 (−2.4 to −0.2)0.04 (−1.2 to 1.3)
Engagement resumption−2.5 (−3.4 to −1.7)−3.1 (−4.8 to −1.4)0.6 (−1.4 to 2.5)
Readmissions within 72 hours (%)Pre-interventionRef.Ref.
Patient flow programme−2.7 (−3.8 to −1.7)−0.6 (−1.5 to 0.2)−2.1 (−3.4 to −0.7)
Command centre display roll-in−2.5 (−3.6 to −1.4)2.6 (1.6 to 3.5)−5.1 (−6.6 to −3.6)
Command centre activation−2.02 (−3.0 to −1.0)3.6 (2.7 to 4.5)−5.6 (−6.9 to −4.3)
Engagement resumption−0.70 (−2.3 to 0.9)2.2 (0.8 to 3.5)−2.9 (−4.8 to −0.8)
Post-operative sepsis (%)Pre-interventionRef.
Patient flow programme0.4 (−1.2 to 2.0)
Command centre display roll-in−0.5 (−2.2 to 1.3)
Command centre activation1.31 (−0.3 to 2.9)
Engagement resumption−0.2 (−2.7 to 2.2)
  • *Models were adjusted for trend, COVID-19 pandemic (pre-pandemic and post-pandemic) and COVID-19 spikes.

  • †Calculated as difference in changes (change BRI−change CHH) and total variances (variance BRI+variance CHH).

  • BRI, Bradford Royal Infirmary hospital; CHH, Calderdale & Huddersfield Hospitals.