| Step # | Search | Result |
|---|---|---|
| 1 | polypharmacy/ | 2344 |
| 2 | polypharmacy.tw. | 2703 |
| 3 | (drug adj1 burden).mo. | 70 |
| 4 | ((prescription* or medication( or polypharmacy) adj (number* or amount* or multiple*)).mp |
237 |
| 5 | ((four or five or six or seven or eight or nine or ten) adj1 (prescription* or medication* or polypharmacy)).mp |
440 |
| 6 | 1 or 2 or 3 or 4 or 5 | 4786 |
| 7 | limit 6 to humans | 4678 |
| 8 | limit 7 to ‘all aged (65 and over)’ | 2552 |
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