Table 3.

Summary of imputed cost per patient

	Comparator sites mean cost (SE)a N = 6276	Implementation sites mean cost (SE) N = 6256	Difference (95% CI)b
Total cost per patient	£6750 (130)	£5356 (131)	−£1395 (−1757 to −1034)
Total cost per patient in pre-bundle period	£7398 (189)	£6070 (185)	−£1328 (−1848 to −809)
Total cost per patient in post-bundle period	£6057 (172)	£4472 (183)	−£1584 (−2072 to −1097)

CI confidence interval, SE standard error

^aStandard errors rather than standard deviations are reported for multiply imputed data

^bConfidence intervals calculated from unadjusted linear regression