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Table 2 Site surgical activity and achievement of surgery within 8 days during Chole-QuIC

From: Understanding the influences on successful quality improvement in emergency general surgery: learning from the RCS Chole-QuIC project

  Activity—all admissions for biliary disease % Procedures within 8 days
(all admissions)
Relative change from baseline Combined model
(adjusted for control group)
Baseline Intervention Baseline (%) Intervention (%) Relative change 95% confidence interval Relative change 95% confidence interval
All Chole-QuIC 13,929 7944 9.4 14.6 1.56* 1.38 to 1.75 1.45* 1.29 to 1.62
Control 147,495 83,391 14.2 15.3 1.08* 1.02 to 1.14   
Site 1 521 301 8.8 25.9 2.94* 2.02 to 4.27 2.73* 1.88 to 3.96
Site 2 964 521 12.2 26.5 2.16* 1.69 to 2.77 2.01* 1.55 to 2.60
Site 3 513 355 16.8 35.2 2.10* 1.60 to 2.76 1.95* 1.47 to 2.59
Site 4 1103 629 9.9 20.8 2.09* 1.45 to 3.01 1.96* 1.50 to 2.55
Site 5 1333 770 4.6 8.6 1.88* 1.27 to 2.77 1.74* 1.22 to 2.49
Site 6 1114 619 8.5 14.7 1.72* 1.06 to 2.79 1.60* 1.19 to 2.16
Site 7 1189 627 6.7 11.2 1.68* 1.06 to 2.65 1.54* 1.11 to 2.15
Site 8 1413 900 14.4 19.6 1.35* 1.11 to 1.66 1.26* 1.01 to 1.56
Site 9 1213 684 6.5 8.3 1.28 0.88 to 1.85 1.19 0.84 to 1.68
Site 10 1476 760 8.4 8.8 1.03 0.64 to 1.66 0.97 0.72 to 1.33
Site 11 1505 793 2.9 3.0 1.02 0.59 to 1.77 0.96 0.58 to 1.59
Site 12 1585 985 16.5 14.2 0.86 0.69 to 1.09 0.8 0.64 to 100
  1. *Significant improvement (P < 0.05)
  2. Legend: Sites 1–4, highly successful group, sites 9–12, challenged group