Table 1.
Study characteristics for included studies
| Study characteristics | n | % |
|---|---|---|
| Publication type | ||
| Book chapter | 3 | 4.8 |
| Case series | 3 | 4.8 |
| Cost‐effectiveness analysis | 1 | 1.6 |
| Narrative review | 8 | 12.9 |
| Open‐label trial | 21 | 33.9 |
| Prospective cohort study | 1 | 1.6 |
| Randomized controlled trial | 8 | 12.9 |
| Retrospective cohort study | 4 | 6.5 |
| Systematic review | 2 | 3.2 |
| Systematic review + meta‐analysis | 3 | 4.8 |
| Trial protocol | 1 | 1.6 |
| Treatment guidelines/algorithms | 7 | 11.3 |
| Population of interest a | ||
| Anxiety disorders (in general) | 5 | 8.1 |
| Generalized anxiety disorder | 34 | 54.8 |
| Panic disorder | 33 | 53.2 |
| Social anxiety disorder | 21 | 33.9 |
| Specific phobia | 5 | 8.1 |
| Type of intervention used (if any) | ||
| Adjunctive psychotherapy | 8 | 12.9 |
| Any therapy | 1 | 1.6 |
| Any adjunctive therapy | 1 | 1.6 |
| Combination treatment: pharmacological and psychological | 4 | 6.5 |
| Either pharmacologic monotherapy or pharmacologic augmentation therapy | 1 | 1.6 |
| Pharmacologic augmentation or combination treatment | 17 | 27.4 |
| Pharmacologic monotherapy | 7 | 11.3 |
| Nerve vagus stimulation | 1 | 1.6 |
| Self‐management | 1 | 1.6 |
| Degree of precision of included definitions | ||
| High | 13 | 21.0 |
| Medium | 44 | 71.0 |
| Low | 5 | 8.1 |
a
Some studies described more than one population of interest.