Skip to main content

Table 2 The effect of STAT on time from referral to first appointment (primary outcome)

From: Sustainable waiting time reductions after introducing the STAT model for access and triage: 12-month follow up of a stepped wedge cluster randomised controlled trial

  Original trial 12-month follow up Sensitivity analysis
Pre-intervention Post-intervention 0 to 12 month post intervention 9 to 12 month post intervention
n 1252 1861 3016 821
Median (IQR) 42 (19 to86) 24 (13 to48) 31 (14 to55) 36 (13 to62)
Mean (SD) 60.0 (55.2) 35.6 (33.6) 40.0 (35.3) 41.9 (34.7)
Adj ratio IRR (95% CI) Reference 0.66 (0.52 to 0.85) 0.71 (0.60 to 0.83) 0.78 (0.69 to 0.88)
  1. IRR incident rate ratio, Adj ratio Adjusted ratio indicates that other factors, such as potential confounders, have been included in the model. IRR calculated using a generalised linear mixed effects model