Observed versus predicted probability for final HbA1c measurement of <75 mmol/mol
| Predicted probability | 0–0.4 | 0.4–0.6 | 0.6–1.0 | Total |
| Total patients | 7695 | 21 085 | 23 051 | 51 831 |
| Number of patients with HbA1c<75 mmol/mol | 2303 | 10 578 | 15 808 | 28 689 |
| Per cent observed | 29.93% | 50.17% | 68.58% | 55.35% |
HbA1c, glycated haemoglobin.