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MEAN of DRUGS
PRESCRIBED by PATIENTS and WARDS
| WARD | # PRESCRIPTIONS | # PATIENTS |
MEAN DRUGS PRESCRIBED |
| Internal Medicine | 578 | 161 | 3.6 |
| Gerontology | 152 | 38 | 4.0 |
| Psychiatry | 127 | 31 | 4.1 |
| TOTAL | 857 | 230 | 3.7 |
Source: the study
PATIENTS WITH POSSIBLE DRUG INTERACTIONS
| Ward | With drug interactions | Without drug interactions |
||
| n | % | n | % | |
| Internal Medicine | 50 | 31.1 | 111* | 68.9 |
| Gerontology | 13 | 34.2 | 25** | 65.8 |
| Psychiatry | 14 | 45.1 | 17** | 54.9 |
| TOTAL | 77 | 33.4 | 153 | 66.6 |
* 18 patients with only one drug prescribed.
** 1 patient with only one drug prescribed
Source: the study
POSSIBLE DRUG INTERACTIONS PER PATIENT
| One Drug Interaction | Two Drug Interactions |
Three Drug Interactions |
TOTAL | ||||
| WARD | n | % | n | % | n | % | |
| Internal Medicine | 30 | 60 | 14 | 28 | 6 | 12 | 50 |
| Gerontology | 9 | 69.2 | 4 | 30.8 | ---- | ---- | 13 |
| Psychiatry | 10 | 71.4 | 4 | 28.6 | ---- | ---- | 14 |
| TOTAL | 49 | 63.6 | 22 | 28.6 | 6 | 7.8 | 77 |
CLASSIFICATION of DRUG INTERACTIONS by MECHANISM
| Pharmaceutical | Pharmacokinetical | Pharmacodynamic | TOTAL | ||||
| Ward | n | % | n | % | n | % | |
| InternalMedicine | 5 | 6.5 | 27 | 35.6 | 44 | 57.9 | 76 |
| Gerontology | 1 | 5.8 | 5 | 29.5 | 11 | 64.7 | 17 |
| Psychiatry | --- | ---- | 4 | 22.2 | 14 | 77.8 | 18 |
| TOTAL | 6 | 5.4 | 36 | 32.4 | 69 | 62.2 | 111 |
Source: the study
TYPE of POSSIBLE CONSEQUENCES of DRUG INTERACTIONS
| FAVORABLE | UNFAVORABLE | TOTAL | |||
| Ward | n | % | n | % | |
| Internal Medicine | 13 | 17.1 | 63 | 82.9 | 76 |
| Gerontology | 9 | 52.9 | 8 | 47.1 | 17 |
| Psychiatry | 4 | 22.2 | 14 | 77.8 | 18 |
| Total | 26 | 23.4 | 85 | 76.6 | 111 |
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