Table 2.
Medication Information for the Study Participants
| Variables | Categories | Frequency | % |
|---|---|---|---|
| The pattern of drug use at the surgery ward (N= 300) | Antibiotic only | 19 | 6.3 |
| Antibiotic + drug for non infectious | 279 | 93.0 | |
| Drug for non-infectious only | 2 | 0.7 | |
| History of pre-admission (to the surgery ward) medication use (N= 300) | No | 245 | 81.7 |
| Yes | 55 | 18.3 | |
| History of medication use during hospitalization period per patient | Mean ±SD | 4.25±1.702 | |
| Minimum–maximum | 1–10 | ||
| Is there drug–drug interaction (N= 300) | Yes | 93 | 31.0 |
| No | 207 | 69.0 | |
| Significance or level of drug–drug interaction(Medscape® online) (N= 93) | Contra-indicated | 1 | 1.1 |
| Serious interaction | 7 | 7.5 | |
| Significant interaction | 91 | 97.8 | |
| Minor interaction | 61 | 65.6 | |
| Patients with actual ADR in the hospital (N= 300) | Yes | 5 | 1.67 |
| No | 295 | 98.33 | |
| Classification of ADR causality by Naranjo scale36(N= 6 ADR) | Probable ADR | 5 | 83.3 |
| Possible | 1 | 16.7 |