| Risk of bias assessment (RoB assessment) | ||
| Entry | Judgement | Support for judgement |
| 1. Random sequence generation (selection bias) | Low risk / High risk / Unclear risk | Quote: |
| 2. Allocation concealment (selection bias) | Low risk / High risk / Unclear risk | Quote: |
| 3. Blinding of participants and personnel (performance bias) | Low risk / High risk / Unclear risk | Quote: |
| 4. Blinding of outcome assessment (detection bias) (patient‐reported outcomes; hospital mortality) | Low risk / High risk / Unclear risk | Quote: |
| 5. Incomplete outcome data | Low risk / High risk / Unclear risk | Quote: |
| Date:___/___/___ | Review author‘s signature: | |
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