Distribution of predisposing factors between the two groups of patients at the time of reoperation
| Group A | Group B | p value | |
|---|---|---|---|
| Smoking | 8 (15) | 7 (14) | 0.87 |
| Obesity | 16 (30) | 12 (24) | 0.48 |
| Hypertension | 4 (7) | 5 (10) | 0.74 |
| Hyperlipidaemia | 4 (7) | 4 (8) | 0.93 |
| Diabetes mellitus | 3 (6) | 5 (10) | 0.48 |
| Family history of ischaemic heart disease | 17 (32) | 16 (32) | 0.99 |
Group A, IMA grafts (with or without SV grafts); group B, SV grafts only. Values are expressed as number of patients (%). There were no significant differences between the two groups.