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Table 2 The distribution of outcomes at follow-up

From: The effectiveness of a semi-tailored facilitator-based intervention to optimise chronic care management in general practice: a stepped-wedge randomised controlled trial

  Intervention group (2011) (N = 94) Delayed intervention group (2012) (N = 89) P-value
Primary outcome measures    
Annual chronic disease check-ups per 100 patients affiliated with the practice N = 94/89 (median (IQR)) 1.9 (0.9-3.9) 1.7 (0.7-3.5) 0.2788
Change in annual chronic disease check-ups per 100 patients affiliated with the practice N = 94/89 (median (IQR)) 0.5 (0.0-1.9) 0.5 (0.0-1.3) 0.1639
Secondary outcome measures    
Number of practices with less than 1% annual chronic disease check-ups N = 94/89 29% 33% 0.6314
Reduction in the number of practices with less than 1% annual chronic disease check-ups. N = 94/89 24% 18% 0.4403
Spirometry test per 100 patients affiliated with the practice N = 95/89 (median (IQR)) 0.6 (0.2-1.2) 0.5 (0.1-0.8) 0.0835
Annual check-ups for Diabetes N = 89/82    0.2345
   Yes – always 92% 88%  
   Yes – sometimes 8% 9%  
   No 0% 4%  
Annual check-ups for COPD N = 89/82    0.0787
   Yes – always 53% 37%  
   Yes – sometimes 39% 49%  
   No 8% 15%  
Sign-up for the Sentinel Data Capture N = 94/89 71% 63% 0.2708
ICPC diagnosis coding – Diabetes N = 89/82    0.0050*
   Yes – always 87% 67%  
   Yes – sometimes 12% 27%  
   No 1% 6%  
ICPC diagnosis coding – COPD N = 89/82    0.0243*
   Yes – always 73% 57%  
   Yes – sometimes 25% 32%  
   No 2% 11%  
Stratification – Diabetes N = 89/82    0.0598
   Yes – always 27% 13%  
   Yes – sometimes 43% 44%  
   No 30% 43%  
Stratification – COPD N = 89/82    0.0185*
   Yes – always 24% 11%  
   Yes – sometimes 45% 39%  
   No 31% 50%  
  1. The N at each outcome measure shows the number of practices in the analysis for the intervention/delayed intervention group.
  2. *Indicate a significant difference between the allocations groups (P<0.05).