Table 2.
Prevalence of Types of Prescribing Problems
| Problem class | Problem | N (%) of patients with the problem N = 462,405 |
|---|---|---|
| Any problem | Any of the problems listed in this table | 252,113 (54.5) |
| Any of the problems listed in this table not including high-risk drugs (warfarin, insulin, or digoxin) | 229,791 (49.7) | |
| Dosing | Inappropriately high dosing (any type) | 53,407 (11.6) |
| Inappropriate dosing (general) | 27,722 (6.0) | |
| Inappropriate dosing for renal function | 28,034 (6.1) | |
| Inappropriate dosing for hepatic function | 199 (0.0) | |
| Drug–drug interactions | Any drug–drug interaction | 139,807 (30.2) |
| Risk D interaction | 138,671 (30.0) | |
| Risk X interaction | 20,463 (4.4) | |
| Drug–disease interactions | Any drug–disease interaction | 14,828 (3.2) |
| Beers criteria | Any Beers criteria drug | 120,136 (26.0) |
| High risk drug | Any high-risk drug | 74,212 (16.1) |
| Warfarin | 34,872 (7.5) | |
| Insulin | 33,473 (7.2) | |
| Digoxin | 19,036 (4.1) |