Baseline characteristics and glucose tolerance in 497 patients prior to CABG
| % missing | NGT | Pre-diabetes | Diabetes | P value | |
| Number of patients | 170 | 219 | 108 | ||
| Age, years, mean (SD) | 64.7 (8.6) | 65.9 (9.4) | 67.6 (8.0) | 0.027 | |
| Female | 32 (18.8) | 33 (15.1) | 12 (11.1) | 0.217 | |
| Body mass index, kg/m2, mean (SD) | 0.2 | 26.8 (3.9) | 27.4 (4.1) | 27.0 (3.3) | 0.398 |
| Smoking | 9.3 | 0.887 | |||
| Never smoker | 56 (35.9) | 82 (40.6) | 36 (38.7) | ||
| Prior smoker | 52 (33.3) | 67 (33.2) | 31 (33.3) | ||
| Current smoker | 48 (30.8) | 53 (26.2) | 26 (28.0) | ||
| Fasting glucose, mmol/L, mean (SD) | 4.49 (1.97) | 5.78 (0.60) | 6.82 (1.22) | <0.001 | |
| OGTT 2 hours, mmol/L, mean (SD) | 5.44 (2.47) | 8.91 (1.20) | 12.43 (3.22) | <0.001 | |
| Systolic blood pressure, mean (SD) | 11 | 146 (24) | 147 (22) | 153 (24) | 0.086 |
| Diastolic blood pressure, mean (SD) | 13 | 84 (12) | 82 (11) | 84 (9) | 0.125 |
| Hypertension | 1.6 | 104 (62.3) | 151 (69.9) | 74 (69.8) | 0.236 |
| Chronic pulmonary disease | 9 (5.3) | 7 (3.2) | 7 (6.5) | 0.363 | |
| Peripheral vascular disease | 14 (8.2) | 20 (9.1) | 12 (11.1) | 0.720 | |
| Prior AMI | 1.4 | 38 (22.8) | 62 (28.7) | 34 (31.8) | 0.220 |
| Prior PCI | 0.2 | 20 (11.8) | 29 (13.2) | 12 (11.1) | 0.837 |
| Prior stroke | 2.8 | 9 (5.4) | 5 (2.4) | 9 (8.7) | 0.042 |
| Estimated glomerular filtration rate, mL/min/1.73 m2, mean (SD) | 77 (17) | 79 (16) | 76 (19) | 0.386 | |
| Left ventricular ejection fraction | 0.860 | ||||
| >50% | 117 (68.8) | 153 (69.9) | 76 (70.4) | ||
| 30%–50% | 45 (26.5) | 60 (27.4) | 29 (26.9) | ||
| <30% | 8 (4.7) | 6 (2.7) | 3 (2.8) | ||
| HDL, mmol/L, mean (SD) | 12 | 1.18 (0.46) | 1.14 (0.30) | 1.07 (0.29) | 0.059 |
| LDL, mmol/L, mean (SD) | 16 | 3.06 (0.98) | 2.84 (0.98) | 2.71 (1.10) | 0.027 |
| Triglycerides, mmol/L, mean (SD) | 12 | 1.49 (0.91) | 1.61 (1.05) | 1.78 (1.23) | 0.110 |
Data are numbers and (%) unless otherwise stated.
AMI, acute myocardial infarction; CABG, coronary artery bypass grafting; HDL, High density lipoprotein; LDL, Low density lipoprotein; NGT, normal glucose tolerance; OGTT, oral glucose tolerance test; PCI, Percutaneous coronary intervention.