Table 1.
Demographics and preoperative health characteristics of all patients. Reported as n (%), unless otherwise stated
| Patient Characteristics | All (n = 364) |
HbA1c < 6.5% (n = 206) |
HbA1c ≥ 6.5% (n = 158) |
p | |||
|---|---|---|---|---|---|---|---|
| Preoperative HbA1c [%] | 6.5 | ± 1.2 | 5.7 | ± 0.5 | 7.5 | ± 1.2 | < 0.001 |
| Age, mean ± SD [years] | 51 | ± 13 | 51 | ± 12 | 52 | ± 14 | 0.11 |
| BMI, mean ± SD [kg/m2] | 34 | ± 7.4 | 34 | ± 8.3 | 34 | ± 6.1 | 0.42 |
| BMI Class | 0.79 | ||||||
| Underweight | 7 | (1.9) | 5 | (2.4) | 2 | (1.3) | |
| Normal Weight | 13 | (3.6) | 7 | (3.4) | 6 | (3.8) | |
| Overweight | 66 | (18) | 35 | (17) | 31 | (20) | |
| Obesity | 278 | (76) | 159 | (77) | 119 | (75) | |
| Race | 0.30 | ||||||
| White | 131 | (36) | 79 | (38) | 52 | (33) | |
| Black or African American | 143 | (39) | 77 | (37) | 66 | (42) | |
| Asian | 10 | (2.7) | 4 | (1.9) | 6 | (3.8) | |
| American Indian or Alaska Native | 2 | (0.6) | 0 | (0.0) | 2 | (1.3) | |
| Native Hawaiian or Other Pacific Islander | 2 | (0.6) | 1 | (0.5) | 1 | (0.6) | |
| Diabetes | < 0.001 | ||||||
| Non-Insulin | 293 | (80) | 186 | (90) | 107 | (68) | |
| Insulin | 71 | (20) | 20 | (9.7) | 51 | (32) | |
| Smoking | 23 | (6.3) | 12 | (5.8) | 11 | (7.0) | 0.66 |
| COPD | 6 | (1.6) | 1 | (0.5) | 5 | (3.2) | 0.089 |
| CHF | 12 | (3.3) | 3 | (1.5) | 9 | (5.7) | 0.036 |
| Dialysis | 4 | (1.1) | 2 | (1.0) | 2 | (1.3) | > 0.99 |
| Hypertension | 213 | (59) | 109 | (53) | 104 | (66) | 0.013 |
| Renal Failure | 0 | (0.0) | 0 | (0.0) | 0 | (0.0) | > 0.99 |
| Ascites | 0 | (0.0) | 0 | (0.0) | 0 | (0.0) | > 0.99 |
| Corticosteroid Use | 23 | (6.3) | 16 | (7.8) | 7 | (4.4) | 0.28 |
| Disseminated Cancer | 0 | (0.0) | 0 | (0.0) | 0 | (0.0) | > 0.99 |
| Bleeding Disorder | 4 | (1.1) | 3 | (1.5) | 1 | (0.6) | 0.64 |
| Preoperative Transfusions | 0 | (0.0) | 0 | (0.0) | 0 | (0.0) | > 0.99 |
| Functional Status | 0.43 | ||||||
| Independent | 360 | (99) | 205 | (100) | 155 | (98) | |
| Partially Dependent | 1 | (0.3) | 0 | (0.0) | 1 | (0.6) | |
| ASA Class | 0.36 | ||||||
| 1 - No Disturbance | 4 | (1.1) | 3 | (1.5) | 1 | (0.6 ) | |
| 2 - Mild disturbance | 185 | (51) | 110 | (53) | 75 | (47) | |
| 3 - Severe Disturbance | 175 | (48) | 93 | (45) | 82 | (52) | |