Table 3 Description of PIM users assessed by the adaptive Beers criteria vs. adaptive Hong Kong-specific criteria
Variables | Adaptive Beers criteria | p value | Adaptive Hong Kong-specific criteria | p value |
|---|---|---|---|---|
No. of PIM users | 232,445 (47.5%) | Â | 241,982 (49.5%) | Â |
No. of concurrent PIMs |  | < 0.001 |  | < 0.001 |
 1 | 146,240 (62.9%) |  | 141,969 (58.7%) |  |
 2 | 64,025 (27.5%) |  | 68,145 (28.2%) |  |
 3 | 17,377 (7.5%) |  | 22,818 (9.4%) |  |
  > 3 | 4804 (2.1%) |  | 9050 (3.7%) |  |
Gender |  | < 0.001 |  | < 0.001 |
 Male | 101,764 (45.6%) |  | 105,616 (47.3%) |  |
 Female | 130,681 (49.1%) |  | 136,366 (51.2%) |  |
Age |  | 0.076 |  | < 0.001 |
 65 ~ 69 | 76,252 (47.8%) |  | 77,383 (48.5%) |  |
 70 ~ 74 | 46,552 (47.2%) |  | 47,908 (48.6%) |  |
 75 ~ 79 | 44,862 (47.4%) |  | 46,941 (49.6%) |  |
 80 ~ 84 | 35,652 (47.7%) |  | 37,903 (50.7%) |  |
 85+ | 29,127 (47.2%) |  | 31,847 (51.6%) |  |
No. of drugs |  | < 0.001 |  | < 0.001 |
 0 ~ 3 | 7423 (10.3%) |  | 7588 (10.5%) |  |
 4 ~ 6 | 37,099 (31.4%) |  | 37,845 (32.0%) |  |
 7 ~ 9 | 51,842 (48.6%) |  | 53,324 (50.0%) |  |
 10 ~ 12 | 45,314 (62.7%) |  | 46,787 (64.8%) |  |
  > 12 | 90,767 (75.8%) |  | 96,438 (80.5%) |  |
No. of diagnoses |  | < 0.001 |  | < 0.001 |
 1 | 3720 (47.7%) |  | 3883 (49.8%) |  |
 2 | 32,890 (37.4%) |  | 34,743 (39.5%) |  |
 3 | 41,064 (39.8%) |  | 42,766 (41.5%) |  |
 4 ~ 6 | 109,321 (47.7%) |  | 113,659 (49.6%) |  |
  > 6 | 45,450 (74.0%) |  | 46,931 (76.4%) |  |
No. of GOPC visits within the year |  | < 0.001 |  | < 0.001 |
 1 | 25,403 (37.6%) |  | 27,561 (40.8%) |  |
 2 ~ 3 | 53,661 (41.8%) |  | 56,273 (43.8%) |  |
 4 ~ 5 | 87,427 (44.5%) |  | 90,731 (46.1%) |  |
 6+ | 65,954 (68.3%) |  | 67,417 (69.8%) |  |
No. of hospital admissions within the year |  | < 0.001 |  | < 0.001 |
 0 | 159,721 (44.6%) |  | 162,103 (45.2%) |  |
 1 | 35,718 (52.2%) |  | 38,127 (55.7%) |  |
 2+ | 37,006 (59.3%) |  | 41,752 (66.9%) |  |