Methods	Unblinded, single-centre RCT in China; f/u 2 y
Participants	112 obese patients with CHD who had either recent AMI (n=72) or had undergone elective PCI (n=40) within 6 wks EX: n=72 (mean age = 62.3 y; 59 men, 13 women) UC : n=40 (mean age = 61.2 y; 30 men, 10 women)
Interventions	EX : Phase 1 was impatient ambulatory program that lasted 7-14 d; phase 2 was 16-session, twice weekly, outpatient exercise and education program lasting for 8 weeks, each session included 1 hr of education class followed by 2 hrs of exercise training, 1st hour oftraining was conducted by physiotherapist; phase 3 was community-based home exercise program for another 6 mos; phase 4 was long-term follow-up program until end of 2 years which stressed importance of regular exercise and risk factor modification UC: attended 2-hr talk that explained CHD, importance of risk factor modification, and potential benefits of physical activity, but without undergoing outpatient exercise training program
Outcomes	health-related quality of life: 3F-36 at 8 & 24 months
Notes
Risk of bias
Bias	Authors  judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Not reported.
Allocation concealment (selection bias)	Unclear risk	Not reported.
Blinding (performance bias and detection bias) All outcomes	Unclear risk	Unclear in terms ofassessment ofother outcomes.
Incomplete outcome data (attrition bias) All outcomes	Low risk	All patients accounted for.
Selective reporting (reporting bias)	Unclear risk	No information reported.