Table 1: Preoperative patients characteristics and laboratory investigations.
| Group (I) (n = 34) | Group (II) (n = 43) | P value | Significance | |
| Age (years) | 64.34 ± 5.81 | 60.95 ± 6.54 | > 0.05 | NS |
| HCY level (micro.mol/L) | 18.55 ± 1.11 (15.50-23.6) | 9.83 ± 1.03 (5.6-12.7) | < 0.05 | Significant |
| D.M. | 10 (29.41%) | 13 (30.23%) | > 0.05 | NS |
| Positive family history of IHD | 5 (14.71%) | 7 (17.28%) | > 0.05 | NS |
| Smoking | 0 (0%) | 0 (0%) | > 0.05 | NS |
| Hypertension | 22 (64.71%) | 27 (62.79%) | > 0.05 | NS |
| Dyslipidaemia | 27 (79.41%) | 33 (76.74%) | > 0.05 | NS |
| Previous MI | 21 (61.76%) | 20 (46.51%) | < 0.05 | Significant |
| History of CCU admission | 21 (61.76%) | 20 (46.51%) | < 0.05 | Significant |
| History of PCI and stenting | 11 (32.35%) | 16 (37.21%) | > 0.05 | NS |
| LVEF % | 52.33 ± 4.12 | 59.71 ± 3.35 | < 0.05 | Significant |
| EuroSCORE II | 4 (2-7) | 3 (2-5) | < 0.05 | Significant |
| COPD | 4 (11.76%) | 3 (6.98%) | > 0.05 | NS |
| Chronic renal disease | 1 (2.94%) | 2 (4.65%) | > 0.05 | NS |
| Peripheral vascular disease | 4 (11.76%) | 2 (4.65%) | < 0.05 | Significant |
| Previous CVA | 3 (8.82%) | 1 (2.32%) | < 0.05 | Significant |
| LM or LM equivalent disease | 15 (44.11%) | 18 (41.86%) | > 0.05 | NS |
| 3 or more vessel disease | 27 (79.41%) | 28 (65.11%) | > 0.05 | Significant |
| Less than 3 vessel disease | 7 (20.58%) | 15 (34.88%) | > 0.05 | Significant |
| Peak serum creatinine (mg/dl) | 1.36 ± 0.29 | 0.90 ± 0.35 | > 0.05 | Significant |
| Urea | 52.3 ± 5.82 | 42.3 ± 7.13 | > 0.05 | NS |
| FBG (on admission) | 217.8 ± 21.1 | 223.3 ± 14.1 | > 0.05 | NS |
| FBG (just prior to surgery) | 139.8 ± 31.7 | 142.6 ± 15.3 | > 0.05 | NS |
(Data were expressed as mean ± standard deviation (SD) or number (%), NS = Not Significant).