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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