Table 2 Evidence levels[8]
From: Pain care for patients with epidermolysis bullosa: best care practice guidelines
Quality level | Definition |
|---|---|
1aa or 1ba | Systematic review, meta-analysis, or meta-synthesis of multiple studies |
2a or 2b | Best study design for domain |
3a or 3b | Fair study design for domain |
4a or 4b | Weak study design for domain |
5a or 5b | General review, expert opinion, case report, consensus report, or guideline |
5 | Local Consensus |