Methods	Single centre RCT in Japan; F/U months
Participants	N= 39 (EX n=20; CON n=19) 100% male Mean age: 69.5 years Diagnosis: stable CAD Ethnicity: Japanese patients Inclusion: <65 years old with stable CAD Exclusion:ongoing congestive heart failure, liver dysfunction, renal dysfunction, or systemic diseases, including malignancy and collagen disease
Interventions	EX:exercise training Duration 6 months; Frequency: weekly; Session duration and mode: 20-60min upright aerobic and dynamic exercise (walking, bicycling, jogging etc) and light isometric exercise (hand weights) and 15 min cool-down stretching and callisthenics. Intensity: prescribed individually at the anaerobic threshold level as measured by a treadmill exercise test. Patients also encouraged to perform aerobic exercise twice weekly (≥30 min) at home. Co-intervention: diet therapy, and weekly counselling Control: usual outpatient care
Outcomes	Total mortality; non-fatal/fatal mortality. See notes below.
Notes	“No subject in either group showed any worsening of symptoms or had clinical events during this study.”
Risk of bias
Bias	Authors’ judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	“randomly assigned”
Allocation concealment (selection bias)	Unclear risk	Not reported.
Blinding (performance bias and detection bias) All outcomes	Unclear risk	Unclear in terms of assessment of outcomes.
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	No information reported.
Selective reporting (reporting bias)	Unclear risk	No information reported.