Table 2.

Potentially inappropriate medications to be avoided regardless of diagnosis of geriatric patients (n=400) in pre-intervention and intervention groups based on 2015 Beers criteria

Organ system/therapeutic category/drug(s)	Pre-intervention N=200 n (%)	Intervention N=200 n (%)	p-value*
First-generation antihistamines	32 (16.0)	9 (4.5)	<0.001
Insulin, sliding scale	37 (18.5)	13 (6.5)	<0.001
Antispasmodics	18 (9.0)	7 (3.5)	0.023
Alpha1 blockers	14 (7.0)	4 (2.0)	0.016
Alpha agonists	11 (5.5)	5 (2.05)	0.201
Antiarrhythmic drugs (class Ia, Ic, III)	30 (15.0)	12 (6.0)	0.003
Digoxin	11 (5.5)	9 (4.5)	0.646
Tertiary TCAs	13 (6.5)	4 (2.0)	0.026
Antipsychotics	13 (6.5)	7 (3.5)	0.169
Barbiturates	13 (6.5)	4 (2.0)	0.044
Benzodiazepines	19 (9.5)	6 (3.0)	0.007
Antiparkinson agents	7 (3.5)	3 (1.5)	0.338
Sulfonylureas, long-duration	31 (15.5)	14 (7.0)	0.007
Metoclopramide	29 (14.5)	11 (5.5)	0.003
Meperidine	11 (5.5)	8 (4.0)	0.638

Note:

^*Chi-square test.

Abbreviation: TCAs, tricyclic antidepressants.