Table 1

 Baseline patient characteristics for patients with high (deprivation categories 1–4) and low (deprivation categories 5–7) socioeconomic status

High SES(n = 850)Low SES(n = 441)p Value*
CABG, coronary artery bypass graft; CCS, Canadian Cardiac Society; LAD, left anterior descending; LVEF, left ventricular ejection fraction; MI, myocardial infarction; SES, socioeconomic status.
2 test or Fisher’s exact test for comparison of percentages and Mann–Whitney U test for comparing continuous variables.
†Values are mean (SD).
Male (%)69630.022
Age (years)†61.8 (10.1)59.3 (10.0)<0.001
Previous MI (%)38340.124
Previous CABG (%)12100.254
LVEF (%)†52.1 (10.5)51.9 (12.2)0.913
Hypertension (%)3724<0.001
Diabetes (%)10130.180
Chronic lung disease (%)
Non-smoker (%)5966<0.001
Current or ex-smoker (%)4134
Coronary disease (%)
    Left main stem220.999
    Proximal LAD38350.234
    Multivessel disease30250.051
Procedure status (%)0.051
Angina score (%)0.004
    CCS I–II4553
    CCS III–IV5547