Increased 30-day and 1-year mortality rates and lower coronary revascularisation rates following acute myocardial infarction in patients with autoimmune rheumatic disease

Table 5 Interventions in patients with or without autoimmune rheumatic disease who experienced a first myocardial infarction between 1 July 2001 and 30 June 2007 ^a

Variable		Non-AIRD ( n = 77,981)	AIRD ( n = 1,409)	P -value	Crude odds ratio (95% CI)	P -value	Adjusted odds ratio ^b (95% CI)	P -value
PTCA
	Within index MI admission	17,622 (22.6)	190 (13.5)	<0.001	0.53 (0.46 to 0.62)	<0.001	0.80 (0.68 to 0.94)	0.007
	Postdischarge and within 30 days of index MI episode	1,355 (2.2)	17 (1.4)	0.046	0.62 (0.36 to 0.99)	0.046	0.90 (0.56 to 1.44)	0.652
	Between 30 and 90 days of index MI episode	1,192 (2.0)	14 (1.2)	0.036	0.57 (0.31 to 0.97)	0.036	0.95 (0.55 to 1.66)	0.860
CABG
	Within index MI admission	4,592 (5.9)	35 (2.5)	<0.001	0.41 (0.29 to 0.57)	<0.001	0.50 (0.35 to 0.70)	<0.001
	Postdischarge and within 30 days of index MI episode	809 (1.1)	9 (0.7)	0.114	0.59 (0.27 to 1.13)	0.114	0.80 (0.43 to 1.51)	0.498
	Between 30 and 90 days of index MI episode	1,350 (1.9)	9 (0.7)	0.001	0.35 (0.16 to 0.67)	0.001	0.59 (0.30 to 1.15)	0.120

^aAIRD, Autoimmune rheumatic disease; CABG, Coronary artery bypass graft; CI, Confidence interval; MI, Myocardial infarction; PTCA, Percutaneous transluminal coronary angioplasty. ^bAdjusted for age, sex, Accessibility/Remoteness Index of Australia, Socio-Economic Indexes for Areas and Charlson comorbidities.

ISSN: 1478-6362