Table 1.
General Characteristics of Included Studies
| Characteristic | No. of studies |
|---|---|
| Year of publication | 2001-2005: 2 2006-2010: 3 2011-2015: 13 2016-2019: 20 |
| Countrya | United States: 21 Germany: 3 Canada: 2 Australia: 1 Denmark: 1 Japan: 1 Multiple countries: 8 |
| Study design | Cross-sectional: 21 Single-group cohort: 9 Systematic search: 6 Document review: 1 |
| Medical specialty | General: 10 Gastroenterology: 5 Cardiology: 4 Psychiatry: 4 Neurology: 2 Oncology: 3 Orthopedic surgery: 2 Otherb: 7 |
| Guideline authors | Median, 172 (interquartile range, 83-402) |
a
Country of society or organization producing or housing target guidelines.
b
One guideline each in dermatology, endocrinology, family medicine, interventional specialties, pain medicine, respirology, and urology.