Table 3

Summary of patient baseline characteristics

Total populationCABGCABG + AMIAMI
Number137423164
Mean age (years) 62.1260.861.163.5
 Confidence interval 60.47 to 63.7758.06 to 63.6158.16 to 64.0360.71 to 66.24
Sex
Male105 (76.6%) 38 (90.5%)3-150 23 (74.2%)44 (68.8%)
 Female  32 (23.4%) 4 (9.5%) 8 (25.8%)20 (31.2%)
Ethnicity
Caucasian122 (89.1%)39 (92.9%)26 (83.9%)57 (89.1%)
 Afro-Caribbean  1 (0.7%) 1 (1.6%)
 South Asian  2 (1.5%) 1 (2.4%) 1 (3.2%)
 Middle Eastern  1 (0.7%) 1 (1.6%)
 Chinese/Far Eastern  1 (0.7%) 1 (3.2%)
 Not stated 10 (7.5%) 2 (4.8%) 3 (9.7%) 5 (7.8%)
Marital status
Single 11 (8.0%) 3 (7.1%) 2 (6.5%) 6 (9.4%)
 Married104 (75.9%)32 (76.2%)24 (77.4%)48 (75%)
 Divorced 11 (8.0%) 3 (7.1%) 3 (9.7%) 5 (7.8%)
 Widowed  9 (6.6%) 2 (4.8%) 2 (6.5%) 5 (7.8%)
 Not stated  2 (1.5%) 2 (4.8)
Smoking history
Never 37 (27%)13 (31%) 9 (29%)15 (23.4%)
 Past 87 (63.5%)28 (66.7%)19 (61.3%)40 (62.5%)
 Present 11 (8%) 2 (6.6%) 9 (14.1%)
 Not stated  2 (1.5%) 1 (2.7%) 1 (3.2%)
Employment status
Employed 51 (37.2%)15 (35.7%)14 (45.2%)22 (34.4%)
 Not employed (retired) 85 (62%)27 (64.3%)17 (54.8%)41 (64.1%)
 Not stated  1 (0.7%) 1 (1.5%)
  • 3-150 p = 0.03.

  • CABG, coronary artery bypass graft surgery; AMI, acute myocardial infarction.