Table 3.

Study characteristics (restenosis cohort)

Source	Population	Sample size	% Men	Mean age (years)	Definition of restenosis	Follow-up
Yang [39]	Patients undergoing elective PTCA	174	79	60	> 50% diameter stenosis in a major vessel or major side branch	Within 6 months
Norgaz [36]	Stable angina, single-vessel disease	60	90	57.5	> 50% diameter stenosis	6 months
Avci [35]	Stable angina, single-vessel disease	102	77	56	> 50% diameter stenosis and/or > 50% late loss of acute luminal gain at follow-up coronary angiography	4–8 months
Terres [38]	Single-vessel occlusive disease	47	89	58.8	Reocclusion with TIMI flow grade of 0 or 1	8 ± 2 weeks
Smyth [37]	Single-vessel disease	47	72	57.0	> 50% diameter stenosis in two projections	4–8 months

PTCA, percutaneous transluminal coronary angioplasty; TIMI, thrombolysis in myocardial infarction.