Level 1 | 188 Reports, first classification n (%) | Level 2 | 188 Reports, first classification n (%) | All 342 errors found in the 188 reports n (%) |
1. Process errors | 137 (72.9) | 1.1 Office administration | 13 (6.9) | 23 (6.7) |
1.2 Equipment and physical buildings/surroundings/practice site | 3 (1.6) | 9 (2.6) | ||
1.3 Investigations | 16 (8.5) | 29 (8.5) | ||
1.4 Treatment errors | 84 (44.7) | 110 (32.2) | ||
1.5 Communication | 13 (6.9) | 43 (12.6) | ||
1.6 Payment | 8 (4.3) | 10 (2.9) | ||
1.7 Workforce and organisation of care | 0 | 0 | ||
2. Knowledge and skills errors | 49 (26.1) | 2.1 In the execution of a clinical task | 49 (26.1) | 115 (33.9) |
2.2 In the execution of an administrative task | 0 | 1 (0.3) |
The first classification was for the most relevant type of error (n = 188, “first classification”). Each incident report was classified up to three times if the report described more than one error type. Thus, the last column displays the frequency of all classified errors.