Table 1

Descriptive statistics of intervention and control sites

Intervention siteComparator site
Time periodPreintervention (April 2006 to March 2007)Intervention (April 2007 to March 2008)Preintervention (April ‘06 to March 2007)Intervention (April ‘07 to March ‘08)Difference in difference estimator (95% CI)
Total number of deaths6715629122652032
Deaths at home (proportion)1245 (0.185)1176 (0.187)368 (0.162)333 (0.164)−0.012 (−0.063 to 0.039)
Mean number of admissions (SD)0.84 (1.03)0.82 (0.96)1.16 (1.22)1.17 (1.16)0.085 (−0.061 to 0.231)
Mean length of stay per patient in days (SD)9.16 (12.62)8.66 (21.24)11.49 (13.18)11.92 (13.61)0.176 (−1.301 to 1.654)
Median cost of acute care admissions (min, max*)£2592 (£0, £34 595)£2599 (£0, £34 595)£2795 (£0, £18 394)£2852 (£0, £18 304)£215 (−£188 to £620)
Mean cost of acute care admission (SD)£2120 (£1112)£2125 (£1116)£3285 (£1956)£3102 (£1534)
  • *The estimated maximum cost is based on the maximum length of stay of 56 days of the analysis period for this study. Where stays exceeded 56 days actual costs will be higher, though they are not considered as they fall outside our study analysis period.