Table 4

Difference between gender (male and female), the two different age groups (<80 years and ≥80 years) and between patients with zero to seven drugs at the same time and patients using more than seven drugs (8–29) at the same time measured with FORTA, PRISCUS and EU(7)-PIM list (significant p values marked in bold)

Patients (n)PIM absolute
(PIM (n)/drugs (n) (%))Mean per patientSDRange95% CIP value
FORTA PIMMale12711126 (4.6)0.891.000–50.83 to 0.94
Female18761726 (7.0)0.921.050–70.87 to 0.97
0.362
PRISCUS PIMMale1271336 (1.4)0.260.550–40.23 to 0.29
Female1876627 (2.6)0.330.600–40.31 to 0.36
<0.001
EU (7)-PIMMale12711538 (6.3)1.211.220–71.14 to 1.28
Female18762773 (11.3)1.481.330–81.42 to 1.54
<0.001
FORTA PIM<80 years26012293 (9.3)0.881.020–70.84 to 0.92
≥80 years546559 (2.3)1.021.080–60.93 to 1.11
0.005
PRISCUS PIM<80 years2601744 (3.0)0.290.570–40.27 to 0.31
≥80 years546219 (0.9)0.400.620–30.34 to 0.45
<0.001
EU (7)-PIM<80 years26013519 (14.3)1.351.290–81.30 to 1.40
≥80 years546792 (3.2)1.441.310–81.33 to 1.55
0.145
FORTA PIM0–7 drugs1646857 (3.5)0.520.700–30.49 to 0.55
8–29 drugs15011995 (8.1)1.321.160–71.27 to 1.39
<0.001
PRISCUS PIM0–7 drugs1646271 (1.1)0.160.410–20.14 to 0.18
8–29 drugs1501692 (2.8)0.460.690–40.43 to 0.50
<0.001
EU (7)-PIM0–7 drugs16461334 (5.4)0.810.870–40.77 to 0.85
8–29 drugs15012977 (12.1)1.981.390–81.91 to 2.05
<0.001
  • FORTA, Fit fOR The Aged; PIM, potentially inappropriate medication.