Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

116 questions · 120 findings · 11 reviews · Neuromuscular

No studies found 25 · 20.8%GRADE not reported 5 · 4.2%Very low 35 · 29.2%Low 20 · 16.7%Moderate 27 · 22.5%High 8 · 6.7%

Intervention not reported

Change in impairment after 12 weeks (excluding those who did not complete the study) NIS score (range 0 to 280) · people with chronic inflammatory demyelinating polyradiculoneuropathy
1 finding from 1 review

Intervention not reported

Change in impairment after 12 weeks (including those who did not complete the study) NIS (range 0 to 280) · people with chronic inflammatory demyelinating polyradiculoneuropathy
1 finding from 1 review

Intervention not reported

Number of participants improved after 12 weeks (excluding those who did not complete the study) NIS score (range 0 to 280) · people with chronic inflammatory demyelinating polyradiculoneuropathy

It is very uncertain whether the intervention changes number of participants improved after 12 weeks (excluding those who… (very low certainty).

1 finding from 1 review

Intervention not reported

Number of participants improved after 12 weeks (including those who did not complete the study) NIS (range 0 to 280) · people with chronic inflammatory demyelinating polyradiculoneuropathy

It is very uncertain whether the intervention changes number of participants improved after 12 weeks (including those who… (very low certainty).

1 finding from 1 review

Monthly pulsed high‐dose dexamethasone vs prednisolone

≥ 1 point improvement on INCAT disability score at 12 months · patients with chronic inflammatory demyelinating polyradiculoneuropathy

Monthly pulsed high‐dose dexamethasone may leads to higher ≥ 1 point improvement on INCAT disability score at 12 months compared with oral prednisolone (low certainty).

1 finding from 1 review

Methotrexate vs placebo

Participants able to reduce corticosteroid or IVIg dose by more than 20% · people with CIDP

Methotrexate showed no clear difference in participants able to reduce corticosteroid or IVIg dose by more than… compared with placebo (moderate certainty).

1 finding from 1 review

Interferon beta‐1a vs placebo

Participants who completed the study and did not restart IVIg therapy after IVIg withdrawal · people with CIDP

Interferon beta‐1a showed no clear difference in participants who completed the study and did not restart IVIg… compared with placebo (moderate certainty).

1 finding from 1 review

Corticosteroids vs control

Improvement in disability grade after 4 weeks · patients with Guillain‐Barré syndrome
4 findings from 1 review
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Corticosteroids vs control

Death or disability after 1 year · patients with Guillain‐Barré syndrome

Corticosteroid showed no clear difference in death or disability after 1 year compared with control (moderate certainty).

1 finding from 1 review

Corticosteroids vs control

Adverse events ‐ Diabetes mellitus requiring insulin · patients with Guillain‐Barré syndrome

Corticosteroid leads to higher adverse events ‐ diabetes mellitus requiring insulin compared with control (high certainty).

1 finding from 1 review