Observed and estimated HbA1c concentrations during the study period
| Baseline | 6 months | 12 months | Difference (12 months) | |
| All patients | ||||
| Observed | 62 (55 to 72) | 58 (52 to 65) | 58 (52 to 66) | |
| Number | 1362 | 790 | 687 | |
| Estimated | 64.1 (62.5 to 64.9) | 59.2 (58.4 to 60.2) ** | 60.1 (59.2 to 61.1) ** | −4.0 (–5.5 to –2.6) |
| T1DM | ||||
| Observed | 62 (54 to 71) | 57 (51 to 65) | 58 (53 to 66) | |
| Number | 1051 | 628 | 543 | |
| Estimated | 63.5 (62.7 to 64.3) | 59.2 (58.2 to 60.1) ** | 60.2 (59.1 to 61.3) ** | −3.3 (–4.9 to –1.7) |
| T2DM | ||||
| Observed | 67 (56 to 78) | 61 (53 to 67) | 62 (53 to 69) | |
| Number | 223 | 114 | 99 | |
| Estimated | 68.2 (66.3 to 70.8) | 61.2 (58.6 to 63.8) ** | 62.0 (59.2 to 64.7) * | −6.2 (–10.3 to –2.1) |
| Other forms of DM | ||||
| Observed | 61 (51 to 71) | 57 (51 to 63) | 55 (50 to 62) | |
| Number | 88 | 48 | 45 | |
| Estimated | 62.2 (59.6 to 64.8) | 56.1 (52.6 to 59.6)* | 56.2 (52.6 to 59.8) * | −6.0 (–11.5 to –0.6) |
Values are presented as numbers, medians (25th, 75th centiles) and estimated means (difference) (95% CI). Data are presented as observed data and estimated data using the linear mixed model. HbA1c concentrations are presented in mmol/mol.
*p<0.05 as compared with baseline; **p<0.001 as compared with baseline.
DM, diabetes mellitus; T1DM, type I diabetes mellitus; T2DM, type II diabetes mellitus.