Characteristics of female isotretinoin users
| Characteristic | Province; no. (%) of participants* | |||
|---|---|---|---|---|
| British Columbia | Saskatchewan | Manitoba | Ontario | |
| No. of participants | 37 285 | 10 890 | 6 741 | 4 355 |
| No. of courses of medication | 64 541 | 20 591 | 10 314 | 6 862 |
| Age, yr, mean ± SD | 23.6 ± 8.7 | 22.9 ± 9.0 | 23.6 ± 8.5 | 26.7 ± 9.2 |
| Urban residence | NA | 7 653 (70.3) | 4 476 (66.4) | 4 052 (93.0) |
| Welfare recipient | NA | NA | 216 (3.2) | 3 897 (89.5) |
| Duration of single course of therapy, d, median (IQR) | 94 (30–144) | 85 (30–144) | 113 (60–152) | 68 (30–133) |
| Dose, mg, mean ± SD | 41.9 ± 25.3 | 44.2 ± 20.4 | 44.7 ± 20.2 | 43.9 ± 26.3 |
Note: IQR = interquartile range, NA = not available, SD = standard deviation.
↵* Unless indicated otherwise.