Stage at which errors were detected for each error type
| Error type | Stage at which error detected | |||||||||
| First check in assembly area | Operator check in preparation area | During labelling | Final check prior to release | At release stage | In clinical area prior to administration | In clinical area during or after administration | Other | Missing | Total | |
| Transcription | 345 (63.1%) | 24 (4.4%) | 10 (1.8%) | 80 (14.6%) | 42 (7.7%) | 21 (3.8%) | 4 (0.7%) | 20 (3.7%) | 1 (0.2%) | 547 |
| Calculation | 166 (61.5%) | 33 (12.2%) | 10 (3.7%) | 35 (13.0%) | 10 (3.7%) | 4 (1.5%) | 1 (0.4%) | 11 (4.1%) | 0 | 270 |
| Drug | 140 (66.7%) | 29 (13.8%) | 2 (1.0%) | 27 (12.9%) | 6 (2.9%) | 1 (0.5%) | 1 (0.5%) | 4 (1.9%) | 0 | 210 |
| Dose/strength | 114 (44.5%) | 32 (12.5%) | 8 (3.1%) | 52 (20.3%) | 24 (9.4%) | 14 (5.5%) | 3 (1.2%) | 9 (3.5%) | 0 | 256 |
| Diluent | 106 (49.3%) | 61 (28.4%) | 7 (3.3%) | 32 (14.9%) | 3 (1.4%) | 0 | 0 | 5 (2.3%) | 1 (0.5%) | 215 |
| Final volume | 38 (11.8%) | 40 (12.4%) | 8 (25.8%) | 116 (36.0%) | 20 (6.2%) | 9 (2.8%) | 1 (0.3%) | 14 (4.3%) | 1 (0.3%) | 322 |
| Label | 920 (54.4%) | 34 (2%) | 59 (3.5%) | 435 (25.7%) | 100 (5.9%) | 106 (6.3%) | 3 (0.2%) | 31 (1.8%) | 2 (0.1%) | 1690 |
| Expiry | 201 (54.2%) | 3 (0.8%) | 16 (4.3%) | 86 (23.2%) | 17 (4.6%) | 29 (7.8%) | 4 (1.1%) | 15 (4.0%) | 0 | 371 |
| Container | 49 (43%) | 33 (28.9%) | 1 (0.9%) | 17 (14.9%) | 4 (3.5%) | 4 (3.5%) | 0 | 5 (4.4%) | 1 (0.9%) | 114 |
| Other | 246 (25.8%) | 166 (17.4%) | 39 (4.1%) | 187 (19.6%) | 143 (15.0%) | 29 (3.0%) | 7 (0.7%) | 129 (13.5%) | 7 (0.7%) | 953 |
| Total | 2325 (47%) | 455 (9.2%) | 235 (4.7%) | 1067 (21.6%) | 369 (7.5%) | 217 (4.4%) | 24 (0.5%) | 243 (4.9%) | 13 (0.3%) | 4948 |