DBI (Drug Burden Index)

Hilmer SN, Mager DE, Simonsick EM, Cao Y, Ling SM, Windham BG, Harris TB, Hanlon JT, Rubin SM, Shorr RI, Bauer DC, Abernethy DR. A drug burden index to define the functional burden of medications in older people. Arch Intern Med. 2007 Apr 23;167(8):781-7. doi: 10.1001/archinte.167.8.781. PMID: 17452540.
it measures the anticholinergic effect using a mathematical formula that considers the prescribed dose and the minimum effective dose of the drug