Mean number of services per admission†200620092012Change in services per year, % (95% CI)P value
 All admissions1.281.311.41+0.02 (0.018 to 0.021)<0.001
 Low intensity1.221.251.37+0.02 (0.017 to 0.025)<0.001
 High intensity1.301.311.41+0.017 (0.015 to 0.019)<0.001