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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

From: Evaluation of pharmacotherapy complexity in residents of long-term care facilities: a cross-sectional descriptive study

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   
  1. Sergipe, Brazil, 2015
  2. aPrevalence ratio