Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

668 questions · 685 findings · 68 reviews · Headline outcomes only

No studies found 181 · 26.4%GRADE not reported 16 · 2.3%Very low 151 · 22%Low 211 · 30.8%Moderate 98 · 14.3%High 28 · 4.1%

Any cold therapy vs no cold therapy following total knee replacement

Adverse events Adverse events included discomfort, local skin reactions, superficial infections, cold induced injuries and thrombolytic events · people undergoing total knee replacement

It is very uncertain whether any cold therapy changes total adverse eventsAdverse events included discomfort, local skin… compared with no cold therapy following total knee replacement (very low certainty).

1 finding from 1 review

Nicotine replacement therapy vs placebo

Change in weight (kg) · People who have quit smoking

Nicotine replacement therapy for smoking cessation showed no clear difference in mean weight change (kg) at end of treatment compared with placebo (moderate certainty).

3 findings from 1 review

Ultrafiltration (UF) vs usual care

New initiation of renal replacement therapy – at longest available · people with AHF

Ultrafiltration (UF) showed no clear difference in new initiation of renal replacement therapy – at longest available compared with usual care (UC) (low certainty).

1 finding from 1 review

Bamlanivimab vs placebo

Clinical progression: need for NIV, IMV, ECMO, or renal replacement therapy at day 5 (group 5, 6 or 7) · hospitalised individuals with COVID‐19 (moderate to severe disease)

It is very uncertain whether bamlanivimab changes clinical progression: need for NIV, IMV, ECMO, or renal replacement… compared with placebo (very low certainty).

1 finding from 1 review

Intervention not reported

Aldosterone antagonists plus loop diuretics plus systemic vasoconstrictors plus paracentesis plus fluid replacement (No direct RCT) · people with liver cirrhosis and ascites

It is very uncertain whether the intervention changes aldosterone antagonists plus loop diuretics plus systemic… (very low certainty).

1 finding from 1 review