Table 1 Classification scheme for grading evidence [6]
From: Multiple trauma management in mountain environments - a scoping review
Grade 1A | Strong recommendation, high quality evidence, benefits clearly outweigh risks and burden or vice versa |
Grade 1B | Strong recommendation, moderate-quality evidence, benefits clearly outweigh risks and burdens or vice versa |
Grade 1C | Strong recommendation, low-quality or very low-quality evidence, benefits clearly outweigh risks and burdens or vice versa |
Grade 2A | Weak recommendation, high-quality evidence, benefits closely balanced with risks and burdens |
Grade 2B | Weak recommendation, moderate-quality evidence, benefits closely balanced with risks and burdens |
Grade 2C | Weak recommendation, low-quality or very low-quality evidence, uncertainty in the estimates of benefits, risks and burden; benefits, risk and burden may be closely balanced |