. 2007 Oct;93(10):1238–1243. doi: 10.1136/hrt.2006.111401

Table 3 Cost‐effectiveness results.

Time delay	Strategy	Mean costs (£)	Mean QALYs	ICER (£)	Probability of being cost effective for threshold of:
Time delay	Strategy	Mean costs (£)	Mean QALYs	ICER (£)	£10 000	£20 000	£30 000
Base‐case analysis
Average delay (54 min)	Primary angioplasty	12 760	7.12	9 241	0.55	0.90	0.95
Average delay (54 min)	Thrombolysis	10 080	6.83	–	0.45	0.10	0.05

Time delays of:
30 Minutes	Primary angioplasty	12 820	7.23	6 850	0.82	0.98	0.99
30 Minutes	Thrombolysis	10 080	6.83	–	0.18	0.02	0.01
60 Minutes	Primary angioplasty	12 750	7.09	10 269	0.43	0.83	0.91
60 Minutes	Thrombolysis	10 080	6.83	–	0.57	0.17	0.09
90 Minutes	Primary angioplasty	12 670	6.87	64 750	0.13	0.36	0.45
90 Minutes	Thrombolysis	10 080	6.83	–	0.87	0.64	0.55

Differential length of hospital stay*
Average delay (54 min)	Primary angioplasty	12 030	7.12	5 448	0.82	0.95	0.97
Average delay (54 min)	Thrombolysis	10 450	6.83	–	0.18	0.05	0.03
30 Minutes	Primary angioplasty	12 085	7.23	4 087	0.95	0.99	0.99
30 Minutes	Thrombolysis	10 450	6.83	–	0.05	0.01	0.01
60 Minutes	Primary angioplasty	12 020	7.09	6 038	0.75	0.91	0.99
60 Minutes	Thrombolysis	10 450	6.83	–	0.25	0.09	0.01
90 Minutes	Primary angioplasty	11 940	6.87	37 250	0.32	0.47	0.52
90 Minutes	Thrombolysis	10 450	6.83	–	0.68	0.53	0.48

ICER, incremental cost‐effectiveness ratio; QALYs, quality‐adjusted life years.

*Using an estimate of 5.8 days (SE 1.6) for primary angioplasty and 12.1 days (SE 2.9) for thrombolysis (Morgan K, personal communication, 2005).