Baseline characteristics of the derivation and validation samples
| Derivation sample (N=80 435) | Validation sample (N=51 831) | |
| n (%) | n (%) | |
| Male | 76 725 (95.39) | 49 478 (95.46) |
| Minority | 28 414 (35.33) | 18 134 (34.99) |
| Receiving insulin treatment | 51 995 (64.64) | 33 283 (64.21) |
| Mean (SD) | Mean (SD) | |
| Age (years) | 62.86 (10.78) | 62.96 (10.91) |
| HbA1c (mmol/mol) | 90.82 (12.21) | 90.82 (12.21) |
| Time since first HbA1c (years) | 8.27 (4.48) | 8.21 (4.49) |
| Consecutive months HbA1c≥75 mmol/mol | 12.66 (22.39) | 12.56 (22.43) |
| Consecutive number of HbA1c values≥75 mmol/mol | 3.33 (4.02) | 3.31 (4.04) |
| Number of primary care visits while HbA1c≥75 mmol/mol | 2.06 (4.14) | 2.03 (4.12) |
HbA1c, glycated haemoglobin.