Table 2.

Prevalence of polypharmacy in the studied population according to the variables: gender, age, drug interactions, potentially inappropriate medications for patients and therapeutic duplicity

Variable	Prevalence (%)	PR(a)	CI 95%	p-value
Gender
Man	38.10	1.00
Woman	31.33	0.82	(0.5–1.36)	0.28
Age
≥ 80	31.58	0.86	(0.52–1.41)	0.34
< 80	36.73	1.00
Potential drug interactions
Yes	92.86	2.14	(1.65–2.78)	<0.0001
No	43.37	1.00
Potentially inappropriate medications for the elderly
Yes	97.62	1.53	(1.29–1.81)	<0.0001
No	63.86	1.00
Therapeutic duplicity
Yes	57.14	5.27	(2.7–10.3)	<0.0001
No	10.84	1.00

Sergipe, Brazil, 2015

^aPrevalence ratio