Design and created by Guideline Central in participation with the American Society of Regional Anesthesia and Pain Medicine.
American Society of Regional Anesthesia and Pain Medicine
Publication Date: Apr 1, 2018
Page Last Updated: May 5, 2026
| ACCP Classification Scheme for Grading Evidence and Recommendations in Clinical Guidelines | |||
|---|---|---|---|
| Grade | Description | Benefits vs risks and burdens | Methodologic quality of supporting evidence |
| 1A | Strong recommendation, high-quality evidence | Benefits clearly outweigh risks and burdens or vice versa | RCTs without important limitations or overwhelming evidence from observational studies |
| 1B | Strong recommendation, moderate-quality evidence | Benefits clearly outweigh risks and burdens or vice versa | RCTs with important limitations or exceptionally strong evidence from observational studies |
| 1C | Strong recommendation, low-quality or very low quality evidence | Benefits clearly outweigh risks and burdens or vice versa | Observational studies or case series |
| 2A | Weak/Conditional recommendation, high-quality evidence | Benefits closely balanced with risks and burdens | RCTs without important limitations or overwhelming evidence from observational studies |
| 2B | Weak/Conditional recommendation, moderate-quality evidence | Benefits closely balanced with risks and burdens | RCTs with important limitations or exceptionally strong evidence from observational studies |
| 2C | Weak/Conditional recommendation, low-quality or very low quality evidence | Uncertainty in the estimates of benefits, risks, and burdens; benefits, risk, and burden may be closely balanced. | Observational studies or case series |
| U-CBS | Ungraded consensus-based statement | ||
ACCP: American College of Chest Physicians; RCT: Randomized controlled trial.
Reg Anesth Pain Med 2018;43: 263–309
D000760 - Anesthesia and Analgesia
D000758 - Anesthesia
D015912 - Thrombolytic Therapy
D000760 - Anesthesia and Analgesia
D000758 - Anesthesia
D015912 - Thrombolytic Therapy
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