Table 6.
Classification of error categories in bacterial identification on chromogenic media by inexperienced veterinary clinicians [based on errors in medicine and medical laboratories (26, 27)].
| Error category | Description | Type | Cause | Preventability | Corrective action |
|---|---|---|---|---|---|
| Chromogenic medium | Colonies too similar (color and morphology) | Latent (equipment-based) | Test design | Low |
|
| Evaluator (experience- and knowledge-based) | Differences in colonies not recognized | Active – execution (knowledge-based) | Lack of skills and training | Medium |
|
| Evaluator (negligence-based) | Sample history not considered | Active – planning (slips/lapses) | Distraction, fatigue, carelessness | High |
|