Characteristics of subjects who did or did not achieve remission of type 2 diabetes following surgery
| People with pre-existing T2D who underwent surgery | |||
| No remission (n=45) | Remission (n=179) | P value | |
| Male (n, %) | 21 | 49 | 0.013 |
| Age at referral (years)* | 47.5 (8.3) | 44.7 (8.7) | 0.053 |
| Ethnicity (%) | 0.384 | ||
| European | 21 (46.7) | 68 (38.0) | |
| Pasifika | 12 (26.7) | 38 (21.2) | |
| Māori | 7 (15.6) | 43 (24.0) | |
| Other | 5 (11.1) | 30 (16.8) | |
| BMI at referral (kg/m2)* | 42.8 (5.3) | 47.3 (7.0) | 0.000 |
| Change in BMI at 1 year (kg/m2)* | −11.8 (3.1) | −13.9 (4.7) | 0.005 |
| Change in BMI at 3 years (kg/m2)* | −10.8 (2.4) | −11.1 (4.8) | 0.866 |
| Change in BMI at 5 years (kg/m2)* | −9.9 (3.8) | −9.0 (5.3) | 0.649 |
| Mean HbA1c at referral (mmol/mol)* | 79 (15) | 63 (17) | 0.000 |
| (%)* | 9.4 (3.5) | 7.9 (3.7) | |
| On insulin at referral, n (%) | 36 (80) | 34 (19.0) | 0.000 |
| Roux-en-Y bypass, n (%) | 32 (71) | 86 (48) | 0.006 |
| Duration of diabetes before surgery (years) | 10.1 (4.6) | 6.1 (4.8) | 0.000 |
*Results expressed as mean (±SD).
BMI, body mass index; hbA1c, glycated hemoglobin; T2D, type 2 diabetes.