Table 1.
Patient Characteristics
| Total N=82 |
50% N=28 |
65% N=29 |
80% N=25 |
P-value | |
|---|---|---|---|---|---|
| African American* | 6 (7.3%) | 1 (3.6%) | 3 (10.3%) | 2 (8.0%) | 0.66 |
| White American | 76 (93%) | 27 (96%) | 26 (90%) | 23 (92%) | |
| Female | 17 (21%) | 5 (18%) | 4 (14%) | 8 (32%) | 0.23 |
| Age (years) | 59 (8.4) | 58 (8.0) | 57 (9.1) | 61 (7.5) | 0.13 |
| BMI (kg/m2) | 33.2 (6.9) | 32.2 (7.9) | 34.1 (7.0) | 33.2 (5.6) | 0.59 |
| Time to extubation (days) | 1.3 (0.78) | 1.3 (0.76) | 1.1 (0.44) | 1.5 (1.1) | 0.30 |
| Days on pressors | 1.1 (0.80) | 0.82 (0.61) | 1.2 (0.77) | 1.2 (0.99) | 0.15 |
| Creatinine (mg/dl) | 0.99 (0.44) | 1.0 (0.41) | 0.90 (0.25) | 1.1 (0.6) | 0.24 |
| Insulin (admission) | 28 (34%) | 10 (36%) | 10 (35%) | 9 (32%) | 0.96 |
| Any glucose-lowering drug (admission) | 56 (68%) | 19 (68%) | 18 (62%) | 19 (76%) | 0.55 |
| Indication for surgery | |||||
| Coronary artery bypass surgery | 54 (66%) | 19 (68%) | 18 (62%) | 17 (68%) | 0.87 |
| Valve | 23 (28%) | 10 (36%) | 9 (31%) | 4 (16%) | 0.25 |
| Aneurysm/dissection | 5 (6.1%) | 1 (3.6%) | 3 (10%) | 1 (4%) | 0.49 |
| Other | 11 (13%) | 4 (14%) | 5 (17%) | 2 (8%) | 0.60 |
| Coronary artery disease | 61 (77%) | 22 (79%) | 20 (71%) | 19 (83%) | 0.62 |
| Diabetes at admission | 57 (70%) | 19 (68%) | 18 (62%) | 20 (80%) | 0.35 |
| Retinopathy | 3 (3.9%) | 3 (11%) | 0 | 0 | 0.05 |
| Nephropathy | 3 (3.8%) | 2 (7.4%) | 0 | 1 (4.2%) | 0.35 |
| Neuropathy | 12 (15%) | 4 (15%) | 4 (14%) | 4 (16%) | 0.98 |
| Hypertension | 70 (86%) | 25 (89%) | 22 (79%) | 23 (92%) | 0.31 |
| Hyperlipidemia | 65 (82%) | 23 (85%) | 20 (74%) | 22 (88%) | 0.37 |
Data are presented as mean (standard deviation) or number (%).
*
The 65% and 80% groups were collapsed and compared to the 50% group using Fisher’s exact test for the race variable due to insufficient cell counts.