TABLE 1.
Summary of Study Characteristics
| Characteristic | n (%), n = 18 |
|---|---|
| Geographical region | |
| Europe | 11 (61.1) |
| Asia | 3 (16.7) |
| North America | 2 (11.1) |
| Othera | 2 (11.1) |
| Year of publication | |
| 2015-2016 | 2 (11.1) |
| 2017-2018 | 9 (50.0) |
| 2019-2020 | 7 (38.9) |
| Study design | |
| Retrospective | 11 (61.1) |
| Prospective | 8 (44.4) |
| Emulating RCT | 1 (5.6) |
| Pragmatic study | 1 (5.6) |
| Data source | |
| Registry | 5 (27.8) |
| Medical record | 6 (33.3) |
| Claims | 4 (22.2) |
| Otherb | 8 (44.4) |
Percentages may not add to 100% in all categories because studies could report multiple designs or data sources used.
a Turkey is a transcontinental country in both Asia and Europe and was categorized as “other.”
b Other data sources include questionnaire platform, medication prescription system, laboratory system, patient-reported outcomes, and other clinical data.
RCT = randomized controlled trial.