NICE/ AHRQ[1] (consensus wording from evidence strength) | VA/ DoD | RCP (consensus on evidence strength), Sth Aust; NSW ACI | AHA/ASA, Canada[2], Sth Africa[3] | NZGG[4], Malaysia, SIGN | ASF | SA-cSRG standard approach |
---|---|---|---|---|---|---|
Evidence synthesis and consensus words | Hierarchy and quality | Evidence synthesis and consensus words | Hierarchy and quality | Hierarchy and quality | Evidence strength words | |
High confidence (positive) | A | Strong = should | A | A | Strong | ☺☺☺ |
Moderate confidence | B | Moderate = could | B | B | Strong | ☺☺ |
Low confidence | C | weak = apply with caution | C | C | Weak | ☺ |
D | D | Weak | ☺ | |||
Insufficient |
| |||||
Opinion | Practice point | Practice point | ☺ or ☹ | |||
Moderate confidence (negative) | Moderate not | ☹☹ | ||||
High confidence (negative) | Should not | A | Strong (against) | ☹☹☹ |