Table 2.
Grading systems adopted in the included clinical practice guidelines.
| Grading system | Codes of evidence and recommendation | Number of CPGs (%) | CPGs | |
|---|---|---|---|---|
| Levels of evidence | Strengths of recommendation | |||
| ASMS | Ia, Ib, IIa, IIb, III, IV | A+, B+, 0+, A−, B−, 0− | 1 (10.0) | (44) |
| CAGIG | 1, 2, 3, 4 | First-line, Second-line, Third-line, Not recommended | 1 (10.0) | (50) |
| GRADE | High, Moderate, Low, Very low | Strong, Weak | 5 (50.0) | (46–49, 51) |
| RANZCP | I, II, III-1, III-2, III-4, IV | Not recommended, consensus-based recommendation, evidence-based recommendation | 2 (20.0) | (43, 52) |
| USPSTFGS | High, Low | A, B, C, D, H, I | 1 (10.0) | (45) |
ASMS, Association of Scientific Medical Societies (Germany); CAGIG, Canadian Anxiety Guidelines Initiative Group; GRADE, Grading of Recommendations Assessment, Development and Evaluation; RANZCP, Royal Australian and New Zealand College of Psychiatrists; USPSTFGS, U.S. Preventive Servi ces Task Force Grading System.