Table 1 Reasons for missing HbA_1c measurements

1

Patient under specialized care

178 (50%)

2

Patient received first diagnosis of diabetes type 2 within the 12-month period

25 (7%)

3

Patient's HbA_1c was measured outside the 12-month period

25 (7%)

4

Patient moved or died without this being registered

11 (3%)

5

Patient did not report for HbA_1c measurement at the blood lab

28 (8%)

6

Patient abroad at time of HbA_1c measurement appointment

11 (3%)

7

Patient falsely diagnosed or coded diabetes type 2

25 (7%)

8

Patient not invited within 12-month period for HbA_1c measurement

21 (6%)

9

Other reason

21 (6%)

10

No reason stated by GP

11 (3%)

Total

356 (100%)