Definitions for PIP criteria to be modelled as part of the second objective, along with their frequency and cost classification
| PIP | Definition | PIP frequency | Costs |
| START A6 | ACE inhibitor with systolic heart failure and/or documented coronary artery disease. | High | Mid |
| STOPP K2 | Neuroleptic drugs. | Mid | Mid |
| STOPP D8 | Anticholinergics/antimuscarinics in patients with delirium or dementia (risk of exacerbation of cognitive impairment). | Low | High |
| STOPP J6 | Androgens (male sex hormones) in the absence of primary or secondary hypogonadism (risk of androgen toxicity; no proven benefit outside of the hypogonadism indication). | Low | Low |
PIP, potentially inappropriate prescription; STOPP, Screening Tool of Older Persons’ Prescriptions; START, Screening Tool to Alert doctors to Right Treatment.