Table 6. Anatomical Therapeutic Chemical Classification of medications (n = 557).
MEs: Medication errors
| ATC Classification | Name of the medication | Number of MEs, n (%) | Prescription (n = 208) | Documentation (n = 156) | Administration (n = 109) | Dispensing (n = 84) |
| Alimentary Tract and Metabolism (n = 167 (29.98%)) | Pantoprazole | 42 (7.54) | 14 | 12 | 8 | 8 |
| Ondansetron | 32 (5.74) | 19 | 10 | 3 | 0 | |
| Metformin | 29 (5.2) | 12 | 4 | 10 | 3 | |
| Multivitamin | 28 (5.02) | 13 | 7 | 4 | 4 | |
| Domperidone | 16 (2.87) | 2 | 12 | 0 | 2 | |
| Insulin | 11 (1.97) | 6 | 2 | 2 | 1 | |
| Rabeprazole | 9 (1.61) | 3 | 2 | 0 | 4 | |
| Anti-infectives for systemic use (n = 159 (28.54%)) | Piperacillin + Tazobactam | 49 (8.79) | 21 | 13 | 7 | 8 |
| Ceftriaxone | 38 (6.82) | 15 | 19 | 2 | 2 | |
| Cefuroxime | 29 (5.2) | 16 | 3 | 5 | 5 | |
| Ciprofloxacin | 24 (4.3) | 3 | 4 | 7 | 10 | |
| Azithromycin | 19 (3.41) | 12 | 0 | 4 | 3 | |
| Cardiovascular system (n = 146 (26.21%)) | Atorvastatin | 35 (6.28) | 12 | 12 | 5 | 6 |
| Telmisartan | 30 (5.38) | 12 | 10 | 5 | 3 | |
| Metoprolol | 29 (5.2) | 7 | 10 | 12 | 0 | |
| Cilnidipine | 23 (4.12) | 7 | 6 | 5 | 5 | |
| Furosemide | 15 (2.69) | 4 | 3 | 6 | 2 | |
| Amlodipine | 8 (1.43) | 0 | 2 | 0 | 6 | |
| Spironolactone | 6 (1.07) | 1 | 3 | 1 | 1 | |
| Systemic Hormonal Preparations (n = 32 (5.74%)) | Methylprednisolone | 13 (2.33) | 7 | 0 | 5 | 1 |
| Dexamethasone | 11 (1.97) | 3 | 0 | 4 | 4 | |
| Levothyroxine | 8 (1.43) | 0 | 7 | 0 | 1 | |
| Blood and Blood Forming Organs (n = 19 (3.41%)) | Aspirin | 10 (1.79) | 4 | 2 | 3 | 1 |
| Clopidogrel | 9 (1.61) | 4 | 0 | 3 | 2 | |
| Respiratory System (n = 18 (3.23%)) | Salbutamol + Ipratropium bromide | 10 (1.79) | 2 | 4 | 3 | 1 |
| Cetirizine | 8 (1.43) | 1 | 6 | 0 | 1 | |
| Nervous System (n = 16 (2.87%)) | Phenytoin | 9 (1.61) | 5 | 3 | 1 | 0 |
| Levetiracetam | 7 (1.25) | 3 | 0 | 4 | 0 |