Table 1.
Demographic variables in patients with an HbA1c < 69 mmol/mol and HbA1c ≥ 69 mmol/mol
| Group 1 | Group 2 | p-value | |
|---|---|---|---|
| HbA1c < 69 (n = 202) | HbA1c ≥ 69 (n = 67) | ||
| Age (years) | 56 ± 10.8 | 55.2 ± 10.3 | 0.54 |
| Sex, female | 142(76.3%) | 44(23.7%) | 0.48 |
| Preoperative body mass index (kg/m2) | 50.7 ± 29.6 | 48.6 ± 10.4 | 0.61 |
| Preoperative Haemoglobin A1C mmol/mol | 49.3 ± 9.4 | 84.7 ± 14.9 | < 0.000* |
| Procedure type | 0.91 | ||
| Laparoscopic sleeve gastrectomy | 93(75%) | 31(25%) | |
| Laparoscopic insertion of gastric band | 4(100%) | 0(0%) | |
| Laparoscopic Roux en-Y gastric bypass | 101(74.3%) | 35(25.7%) | |
| One-anastomosis gastric bypass | 4(80%) | 1(20%) | |
| Heart failure | 10(62.5%) | 6(37.5%) | 0.23 |
| Coronary artery disease | 14(60.9%) | 9(39.1%) | 0.09 |
| Cerebrovascular disease | 5(62.5%) | 3(37.5%) | 0.41 |
| Nephropathy | 9(81.8%) | 2(18.9%) | 0.73 |
| Neuropathy | 10(58.8%) | 7(41.2%) | 0.11 |
| Obstructive sleep apnoea | 87(77%) | 26(23%) | 0.54 |
| Hypertension | 127(75.1%) | 67(24.9%) | 0.80 |
| Chronic obstructive pulmonary disease | 18(78.3%) | 5(21.7%) | 0.71 |
| Insulin use | 39(58.2%) | 28(41.8%) | < 0.000* |
| ACE inhibitors and receptor blockers | 103(79.2%) | 27(20.8%) | 0.12 |
| Other antihypertensive | 70(80.5%) | 17(19.5%) | 0.16 |
| Aspirin | 20(76.9%) | 6(23.1) | 0.82 |
| Warfarin | |||
| 4(50%) | 4(50%) | 0.10 |
∗Statistical significance (p ≤ 0.05)