Demographic features, glycemic control and insulin use at referral
| Subjects with type 2 diabetes at referral | P value | ||
| Completed surgery (n=224) | No surgery (n=239) | ||
| Gender (male), n (%) | 71 (32) | 106 (44) | 0.005 |
| Age (years)* | 45.3 (8.7) | 45.1 (9.1) | 0.885 |
| Ethnicity, n (%) | 0.000 | ||
| Pasifika | 50 (22.3) | 99 (41.4) | |
| European | 89 (39.7) | 60 (25.1) | |
| Māori | 50 (22.3) | 44 (18.4) | |
| Other | 35 (15.6) | 36 (15.1) | |
| Body mass index (kg/m2)* | 46.4 (6.9) | 47.4 (8.6) | 0.180 |
| HbA1c (mmol/mol)* | 66 (18) | 70 (21) | 0.020 |
| (%)* | 8.2 (3.8) | 8.6 (4.1) | |
| Insulin treated at referral, n (%) | 70 (31.3) | 70 (29.3) | 0.646 |
| Completed surgery (n=151) | No surgery (n=157) | ||
| Gender (male), n (%) | 45 (29.8) | 73 (46.5) | 0.003 |
| Age (years)* | 43.0 (10.0) | 39.3 (10.4) | 0.002 |
| Ethnicity, n (%) | 0.000 | ||
| Pasifika | 21 (13.9) | 69 (43.9) | |
| European | 90 (59.6) | 50 (31.8) | |
| Māori | 29 (19.2) | 27 (17.2) | |
| Other | 11 (7.3) | 11 (7.0) | |
| Body mass index (kg/m2)* | 48.1 (6.3) | 51.9 (9.3) | 0.000 |
| HbA1c (mmol/mol)* | 39 (5) | 41 (5) | 0.003 |
| (%)* | 5.7 (2.6) | 5.9 (2.6) | |
*Results expressed as mean (±SD).
HbA1c, glycated hemoglobin.