Table 3.
Administration errors classified by type of error, cause and clinical severity
| Type of error excluding wrong-time errors | N | Error rate (%) | Cause | N | Clinical severity | N |
| Wrong technique due to food intake | 321 | 13.9 | Lack of standardized procedures | 272 | No damage | 321 |
| Lack of knowledge about the drug | 49 | |||||
| Wrong preparation | 40 | 1.7 | Lack of knowledge about the drug | 40 | No damage | 40 |
| Wrong reconstitution (volume, fluid) | 8 | 0.3 | ||||
| Wrong dilution (volume, fluid) | 32 | 1.4 | ||||
| Omission | 32 | 1.4 | Lack of stock in the ADCs | 9 | No damage | 23 |
| Lapse of concentration | 8 | |||||
| Lack of standardized procedures | 8 | No damage but monitoring was required | 5 | |||
| Communication problems | 3 | |||||
| Lack of knowledge about the patient | 2 | Temporary damage and monitoring was required | 1 | |||
| Stress | 2 | Unknown | 3 | |||
| Wrong infusion speed | 27 | 1.2 | Error in infusion speed calculation | 27 | No damage | 21 |
| No damage but monitoring was required | 2 | |||||
| Unknown | 4 | |||||
| Wrong dose | 19 | 0.8 | Lapse of concentration | 14 | No damage | 16 |
| Communication problems | 2 | |||||
| Lack of knowledge about the drug | 2 | No damage but monitoring was required | 3 | |||
| Error in preparing the drug | 1 | |||||
| Wrong patient adherence | 13 | 0.6 | Lack of knowledge about the patient | 13 | No damage | 13 |
| Wrong route | 7 | 0.3 | Lack of knowledge about the drug | 6 | No damage | 7 |
| Lack of standardized procedures | 1 | |||||
| Wrong duration of treatment | 6 | 0.3 | Lapse of concentration | 3 | No damage | 5 |
| Communication problems | 3 | Temporary damage and monitoring was required | 1 | |||
| Wrong drug | 5 | 0.2 | Communication problems | 2 | No damage | 4 |
| Lack of standardized procedures | 2 | |||||
| Lack of stock in the ADCs | 1 | |||||
| Unknown | 1 | |||||
| Wrong frequency | 3 | 0.1 | Lack of stock in the ADCs | 2 | No damage | 3 |
| Communication problems | 1 | |||||
| Wrong technique other reasons | 3 | 0.1 | Stress | 1 | No damage | 2 |
| Lack of knowledge about the drug | 2 | No damage but monitoring was required | 1 | |||
| Wrong store | 2 | 0.1 | Lack of standardized procedures | 1 | No damage | 2 |
| Lack of packing in unit doses | 1 | |||||
| Wrong pharmaceutical form | 1 | 0.0 | Error in preparing the drug | 1 | No damage but monitoring was required | 1 |
| Total | 479 | 20.7 | – | 479 | – | 479 |
ADCs, automated dispensing cabinet.