Table 3

Mean costs and mean cost differences by cost category (UK£ sterling, 2001 prices)

Cost category	ECMO (n = 93)		CM (n = 92)
Cost category	Mean	SD	Mean	SD	Mean difference	p Value	Bootstrap mean difference (95% CI)
p Values were calculated using Student’s t test. Non-parametric bootstrap estimation was performed using 1000 replications, bias corrected.
ECMO, Extracorporeal membrane oxygenation; CM, conventional management.
Death	393	601	765	646	−372	<0.0001	−377 (−543 to −203)
Transport	1942	2787	268	703	1674	<0.0001	1664 (1126 to 2253)
Initial hospital stay	20806	19559	5558	11892	15248	<0.0001	15164 (10499 to 19785)
Readmissions	1157	3244	829	2317	328	0.430	345 (−472 to 1230)
Outpatient care	462	589	236	355	226	0.002	226 (95 to 366)
Community care	1270	1471	1019	2243	251	0.369	256 (−352 to 730)
Other health service costs	23	134	11	53	12	0.420	12 (−12 to 46)
Total NHS costs	26053	21058	8686	15489	17367	<0.0001	17321 (12072 to 22224)