| AGS | American Geriatrics Society |
| CI | Confidence interval |
| IQR | Interquartile range |
| PIM | Potentially inappropriate medication |
| PIP | Potentially inappropriate prescribing |
| PPO | Potential prescribing omission |
| PR | Prevalence ratio |
| SPSS | Statistical Package for the Social Sciences |
| START | Screening Tool to Alert to Right Treatment |
| STOPP | Screening Tool of Older Persons’ Prescriptions |
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