Table 1.
Clinical characteristics of study patients
| Variable | Conservative | Intensive | P value |
|---|---|---|---|
| Number of patients | 151 | 151 | |
| Sex | 0.44 | ||
| Male, n (%) | 112 (74) | 106 (70) | |
| Female, n (%) | 39 (26) | 45 (30) | |
| Age (years) | 64 ± 10 | 64 ± 9 | 0.84 |
| Race | >0.99 | ||
| Caucasian, n (%) | 111 (74) | 110 (73) | |
| African American, n (%) | 34 (23) | 35 (23) | |
| Other, n (%) | 6 (4) | 6 (4) | |
| Body weight (kg) | 90.6 ± 21.5 | 93.0 ± 21.4 | 0.47 |
| BMI (kg/m2) | 30.3 ± 7.2 | 31.2 ± 7.2 | 0.40 |
| Past medical history | |||
| Previous smoking, n (%) | 63 (51) | 57 (42) | 0.13 |
| Current smoking, n (%) | 46 (33) | 33 (23) | 0.07 |
| Dyslipidemia, n (%) | 123 (81) | 128 (86) | 0.30 |
| Hypertension, n (%) | 135 (91) | 142 (94) | 0.38 |
| APACHE score | 22.4 ± 3.3 | 21.7 ± 3.6 | 0.12 |
| ASA classification | >0.99 | ||
| Grade 3, n (%) | 10 (7) | 10 (7) | |
| Grade 4, n (%) | 141 (93) | 141 (93) | |
| Surgery | 0.91 | ||
| Elective, n (%) | 24 (16) | 25 (17) | |
| Urgent, n (%) | 126 (83) | 124 (82) | |
| Emergency, n (%) | 1 (1) | 2 (1) | |
| Type of surgery | |||
| Primary isolated CABG, n (%) | 114 (75) | 123 (81) | 0.22 |
| CABG + valve repair, n (%) | 27 (18) | 18 (12) | 0.15 |
| Redo CABG, n (%) | 10 (7) | 9 (6) | >0.99 |
| History of diabetes, n (%) | 75 (50) | 77 (51) | 0.82 |
| Duration of diabetes (years) | 10.8 ± 10.1 | 10.9 ± 8.8 | 0.72 |
| Admission diabetes therapy | 0.97 | ||
| No antidiabetic agents, n (%) | 5 (7) | 7 (9) | |
| Oral agents, n (%) | 34 (48) | 34 (45) | |
| Insulin alone, n (%) | 14 (20) | 15 (20) | |
| Insulin + oral agents, n (%) | 18 (25) | 20 (26) | |
| ICU LOS (days) | 4.8 ± 10.0 | 3.6 ± 5.0 | 0.09 |
| Hospital LOS (days) | 11.4 ± 11.0 | 9.5 ± 5.8 | 0.13 |
Data are mean ± SD or n (%). APACHE, Acute Physiology and Chronic Health Evaluation; ASA, American Society of Anesthesiologists.