Table 3

Description of PIM users based on three sets of criteria in study population

N (%)2012 Beersp ValuePIM-Taiwanp ValuePRISCUSp Value
Patient number1 004 243 (86.22)853 915 (73.32)778 825 (66.87)
Gender<0.01<0.01<0.01
 Male476 549 (85.26)397 196 (71.07)368 560 (65.94)
 Female527 694 (87.11)456 719 (75.39)410 265 (67.72)
Age (years)<0.01<0.01<0.01
 65–74548 368 (85.73)473 753 (74.07)407 054 (63.64)
 75–84361 763 (87.33)305 697 (73.79)294 762 (71.15)
 ≥8594 112 (84.94)74 465 (67.21)77 009 (69.50)
Number of diagnoses<0.01<0.01<0.01
 1–10486 807 (76.80)372 386 (58.75)326 566 (51.52)
 >10517 433 (97.48)481 526 (90.71)452 258 (85.20)
Charlson Comorbidity Index<0.01<0.01<0.01
 Score 1232 362 (86.66)195 198 (72.80)181 090 (67.54)
 Score 2162 592 (88.73)137 535 (75.05)132 979 (72.57)
 Score >2279 879 (93.42)241 659 (80.66)242 536 (80.96)
Number of outpatient clinic visits in 1 year<0.01<0.01<0.01
 1–24514 117 (78.27)406 031 (61.81)349 443 (53.20)
 >24490 126 (96.52)447 884 (88.20)429 382 (84.55)
Number of hospital visits in 1 year<0.01<0.01<0.01
 1–4532 047 (76.57)501 371 (64.00)457 348 (58.38)
 >4372 196 (98.82)352 544 (92.45)321 477 (84.3)
Number of medications in 1 year<0.01<0.01<0.01
 1–20504 939 (76.57)379 265 (57.51)336 536 (51.03)
 >20499 304 (98.82)474 650 (93.94)442 289 (87.54)
  • PIM, potentially inappropriate medication.