Table 2.
Summary PIP prevalence estimates
| EPDa | HSE-PCRSb | |||
|---|---|---|---|---|
| n | % (95 % CI) | n | % (95 % CI) | |
| Overall PIP prevalence | 93,319 | 21.1 (21.0, 21.2) | 132,813 | 42.9 (42.7, 43.1) |
| Number of PIPs | ||||
| 1 PIP | 55,960 | 12.7 (12.6, 12.8) | 71,462 | 23.1 (22.9, 23.2) |
| 2 PIPs | 22,125 | 5.0 (4.9, 5.1) | 33,403 | 10.8 (10.7, 10.9) |
| ≥3 PIPs | 15,234 | 3.4 (3.4, 3.5) | 27,948 | 9.0 (8.9, 9.1) |
| Duplicate drug class prevalence | 25,209 | 5.7 (5.6, 5.8) | 35,104 | 11.3 (11.2, 11.4) |
aEnhanced Prescribing Database, covering the full middle-aged population of Northern Ireland
bHealth Service Executive Primary Care Reimbursement database, covering the most socioeconomically deprived third of the middle-aged population of the Republic of Ireland