Table 1.
Prevalence of Study Medication Use in Patients Within Physician-Patient Pairs in 2015 in Ontario, by Physician Antibiotic Prescribing Intensity
| Prevalence, n (%) | Physician antibiotic prescribing intensity (among physician-patient pairs, N = 128,979) | ||
|---|---|---|---|
| Low (n = 31,845) | Average (n = 64,368) | High (n = 32,766) | |
| Benzodiazepine | 4600 (14.4) | 11,581 (18.0) | 6725 (20.5) |
| Incident usea | 1977 (6.2) | 5653 (8.8) | 3344 (10.2) |
| Opioid | 9621 (30.2) | 21,468 (33.4) | 12,555 (38.3) |
| Incident usea | 4380 (13.8) | 10,883 (16.9) | 6389 (19.5) |
| Proton-pump inhibitor | 9431 (29.6) | 23,300 (36.2) | 13,672 (41.7) |
| Incident usea | 2817 (8.8) | 7056 (11.0) | 4010 (12.2) |
| Tracer analysis | |||
| Levothyroxine | 5609 (17.6) | 13,204 (20.5) | 7834 (23.9) |
| Incident usea | 1304 (4.1) | 3299 (5.1) | 1901 (5.8) |
| β-Blocker ophthalmic eye drop | 2231 (7.0) | 5208 (8.1) | 2940 (9.0) |
| Incident usea | 578 (1.8) | 1440 (2.2) | 814 (2.5) |
aIn the year 2015, incident use was determined using a 1-year lookback to ensure that no prescriptions in the prior year were made for the specific medication class