Table 6.
Contributory factors for medication-related problems (MRPs) at the inpatient and outpatient renal clinic*
| Inpatient (N 1 = 399) | Outpatient (N 2 = 73) | |||
|---|---|---|---|---|
| Contributory factors for MRPs | n (%) | n (%) | ||
| C1 Drug selection | 72 | (18.0) | 3 | (4.1) |
| C1.7 Synergistic/preventive drug not prescribed | 20 | (5.0) | 1 | (1.4) |
| C1.9 No indication | 13 | (3.3) | – | -- |
| C1.1 Inappropriate drug | 10 | (2.5) | 1 | (1.4) |
| C1.3 Inappropriate drug duplication | 9 | (2.3) | 1 | (1.4) |
| C1.4 Indication for drug not noticed | 7 | (1.8) | – | -- |
| C1.5 Too many drugs unnecessarily for the same indication | 6 | (1.5) | – | -- |
| C1.2 Inappropriate drug combination | 5 | (1.3) | – | -- |
| C1.6 More cost-effective alternative available | 1 | (0.3) | – | -- |
| C1.8 New indication | 1 | (0.3) | – | -- |
| C2 Inappropriate drug form | 7 | (1.8) | – | -- |
| C3 Drug dosage | 97 | (24.3) | 4 | (5.5) |
| C3.2 Dose too high | 23 | (5.8) | 1 | (1.4) |
| C3.1 Dose too low | 17 | (4.3) | 2 | (2.7) |
| C3.4 Dosage regimen too frequent | 15 | (3.8) | – | -- |
| C3.7 Deterioration/improvement of disease state | 10 | (2.5) | – | -- |
| C3.3 Dosage regimen not frequent enough | 8 | (2.0) | – | -- |
| C3.6 Pharmacokinetic problem requiring dosage adjustment | 8 | (2.0) | – | -- |
| C3.5 No therapeutic monitoring | 3 | (0.8) | – | -- |
| C3.8 Dose difficult to measure | 13 | (3.3) | – | -- |
| C4 Treatment duration | 15 | (3.8) | – | -- |
| C4.2 Too long | 13 | (3.3) | – | -- |
| C4.1 Too short | 2 | (0.5) | – | -- |
| C5 Medication errors | 181 | (45.4) | 1 | (1.4) |
| C5.8a Prescribing error in decision making | 104 | (26.1) | 1 | (1.4) |
| C5.8b Prescribing error in prescription writing | 72 | (18.0) | – | -- |
| C5.2 Drug over-administered | 2 | (0.5) | – | -- |
| C5.1 Inappropriate timing of drug administration/dosing intervals | 2 | (0.5) | – | -- |
| C5.9 Dispensing error | 1 | (0.3) | – | -- |
| C6 Drug supply | – | – | 8 | (11.0) |
| C6.2 Problems with the process for obtaining repeat prescriptions from the community | -– | – | 8 | (11.0) |
| C7 Patient factors | 1 | (0.3) | 31 | (42.5) |
| C7.5 Refused to take medicines | 1 | (0.3) | 6 | (8.2) |
| C7.1 Forgot to take the drug | – | – | 10 | (13.7) |
| C7.7 Forgot to ask for refill prescription from community | – | – | 1 | (1.4) |
| C7.8 Poor understanding of treatment plan and medications | 14 | (19.2) | ||
| C8 Other factors | 26 | (6.5) | 26 | (35.6) |
| C8.2 Unwanted side effects | 14 | (3.5) | 12 | (16.4) |
| C8.1 Poor medication reconciliation | 12 | (3.0) | – | -- |
| C8.4 Dependent on NG/PEG for medications | – | – | 8 | (11.0) |
| C8.5 Difficult to obtain information from GP | – | – | 5 | (6.8) |
| C8.6 New dose not altered by the GP | – | – | 1 | (1.4) |
NG nasogastric, PEG percutaneous endoscopic gastrostomy