Table 3

Estimated deseasoned ED attendance rates per 1000 people prior to and post the change point, together with the estimated monthly increase in deseasoned ED attendance rates per 1000 people in the periods prior to and post the change point for the CDHB population in total and stratified by sex and age groups over the 2008–2014 period

Deseasoned ED attendance rates at change pointMonthly increase in deseasoned ED attendance rates
PriorPostPosteriorPrior to change pointPost change pointPosterior
Estimate(95% CR)Estimate(95% CR)ProbabilityEstimate(95% CR)Estimate(95% CR)Probability
All14.7(14.3–15.0)12.7(12.4–13.0)>0.9990.057(0.042–0.072)0.060(0.049–0.071)0.36
Sex
 Female14.0(13.7–14.3)12.0(11.7–12.3)>0.9990.063(0.049–0.077)0.063(0.053–0.074)0.48
 Male15.3(15.0–15.6)13.4(13.0–13.7)>0.9990.050(0.034–0.066)0.057(0.045–0.069)0.22
Age (years)
 0–1413.7(13.0–14.4)11.8(11.2–12.4)>0.9990.067(0.036–0.097)0.032(0.009–0.054)0.967
 15–3415.3(14.8–15.8)12.9(12.4–13.4)>0.9990.065(0.041–0.089)0.110(0.092–0.128)0.002
 35–6410.9(10.7–11.2)9.8(9.6–10.0)>0.9990.036(0.025–0.048)0.044(0.036–0.053)0.13
 65+25.2(24.6–25.8)21.2(20.7–21.8)>0.9990.070(0.042–0.098)0.043(0.022–0.064)0.941
  • CDHB, Canterbury District Health Board; CR, credible region; ED, emergency department.