Table 2 Assessment of the methodological quality of the randomized controlled trials
From: Intravenous immunoglobulin for postpolio syndrome: a systematic review and meta-analysis
Study [year] | Country | Allocation generation | Allocation concealment | Blinding | Data analysis | Loss to follow-up | Selective reporting | Other bias |
|---|---|---|---|---|---|---|---|---|
Bertolasi [2013] [14] | Italy | Unclear | Unclear | Blinded patients and assessors | ITT | 0 | Low risk | Low risk |
Farbu [2007] [12] | Norway | Notes drawn | Adequate | Blinded patients and assessors | ITT | 0 | Low risk | Intergroup differences in baseline assessments of muscle strength |
Gonzalez [2006] [10] | Sweden | Computer generated | Adequate | Blinded caregivers, patients, and assessors | PP | 4.9% | Low risk | Affected muscles were assessed for both primary and secondary outcomes |