Skip to main content

Table 1 Characteristics of the study participants, by potentially inappropriate medication (PIM) exposure

From: Costs of potentially inappropriate medication use in residential aged care facilities

Characteristic

All participants (n = 541)

Participants prescribed at least one PIM (n = 434)

Participants not prescribed a PIM (n = 99)

P-value

Age, mean (SD)

85.5 (8.5)

84.9 (8.9)

87.9 (6.4)

0.005

Female, n (%)

403 (74.5)

323 (74.4)

77 (77.8)

0.487

Married, n (%)

137 (25.3)

111 (25.7)

24 (24.2)

0.765

Modified Barthel Index, median (IQR)

35.0 (9.0–71.0)

37.0 (10.0–72.0)

25.0 (6.0–62.0)

0.060

Number of comorbidities, mean (SD)

3.7 (1.4)

3.7 (1.4)

3.5 (1.5)

0.348

Neuropsychiatric Inventory, median (IQR)

7.0 (3.0–12.0)

7.0 (3.0–13.0)

6.0 (3.0–11.0)

0.152

Dementia diagnosis, n (%)

348 (64.3)

265 (62.1)

77 (78.6)

0.002

PASCog Score, median (IQR)

15.0 (6.0–21.0)

14.2 (5.0–21.0)

18.0 (9.0–21.0)

0.050

Residing in a home-like model of residential care, n (%)

120 (22.2)

89 (20.5)

31 (31.3)

0.020

  1. Based on the standard list of PIMs from the Beers Criteria for all older adults, not including the additional list of PIMs for older adults with dementia
  2. Abbreviations: IQR Inter-quartile range, PAS-Cog Psychogeriatric Assessment Scale – Cognitive Impairment Scale
  3. P values are from chi-squared or Mann-Whitney tests