Table 2.

EQ5D health utilities

Follow-up	CO-PCI		MV-PCI		Incremental
	Mean	N	Mean	N	Mean	p value
30 days	0.756	171	0.728	143	0.028	0.430
6 months	0.833	161	0.815	138	0.018	0.533
12 months	0.842	155	0.845	132	− 0.004	0.891

The number of observations for each group are those patients who survive to each follow-up period with no missing information