TABLE 1.

Mortality data on single-centre, registry and multicentre series

Authors (reference)	Number of patients	Type of MI	Time post-MI	Mortality
Braxton et al (16)	283	Q wave	<48 h	50%
			>48 h	7.7%
	283	Non-Q wave	<48 h	No significant difference
			>48 h
Gertler et al (20)	22	Subendocardial infarction	<12 days	No significant difference
			>12 days
	22	Transmural infarction	<12 days	46%
			>12 days	0%
Voisine et al (21)	7219	All MIs	<6 h	19.2%
			6 h–24 h	9.8%
			1–7 days	8.6%
			8–30 days	3.2%
			>30 days	2.4%
Sintek et al (22)	530	All MIs	<24 h	4.4%
			24 h–48 h	0%
			48 h–72 h	0%
			3–7 days	2.1%
			8–30 days	1.4%
Deeik et al (17)	175	Q wave	5–7 days	No significant difference
	194	Non-Q wave	3–5 days
Creswell et al (18)	3942	All MIs	<6 h	9.1%
			>6 weeks	2.9%
Kennedy et al (23)	793	All MIs (both stable and unstable patients)	<24 h	9.9%
			2–7 days	8.2%
			8–30 days	2.4%
Lee et al (19)	44,365	Q wave	<6 h	11.8%
			>1 day	2.8%
		Non-Q wave	<6 h	No significant difference
			>1 day
VANQWISH (25) Trial Investigators	920	All MIs	8 days	11.6%
			30 days	3.7%
Hochberg et al (13)	174	All MIs	<1 week	46%
			>7 weeks	6%
Curtis et al (27)	993	All MIs	<24 h	18.6%
			>3 months	3.9%

MI Myocardial infarction; VANQWISH Veterans Affairs Non-Q-Wave Infarction Strategies in Hospital