Table 2.

Proportion of patients with at least one anticholinergic and/or sedative medication stopped or dose reduced on discharge

Analysis	Control	Intervention	Stewardship
Crude DBI reduction	29.9% (43/144)	37.5% (66/176)	43.1% (59/137)
Crude risk difference	Reference	7.60%	13.20%
Adjusted DBI reductiona	30.6% [23.3, 38.3]	37.1% [30.4, 44.6]	42.7% [34.4, 50.7]
Adjusted risk differencea	Reference	6.5% [−3.2, 17.5]	12.1% [1.0, 24.0]
NNT	Reference	NS	9

DBI Drug Burden Index, NNT number needed to treat, NS adjusted risk difference not statistically significant

^aAdjusted for age, sex, length of stay and the number of DBI-contributing medications at admission