Therapy

However the procedure is more risky than angioplasty. ^a  

Why?

• Patients take roughly 5 weeks longer to return to work ^a and are at increased risk of a myocardial infarction before discharge. ^a
• One in thirty die within one month of CABG. (3.2%: 95% CI: 2.2% to 4.2%) ^a

CABG causes more procedural myocardial infarction than PTCA

Patient	Treatment	Comparison	Outcome	CER	RRR (95% CI)	NNH (95% CI)
severe angina a	CABG	angioplasty	myocardial infarction at discharge	2.1%	-120% (-270% to -26%)	-42 (-130 to -25)