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Table 3 Methodological quality of included studies using the PEDro checklist

From: Systematic review on the comparative effectiveness of foot orthoses in patients with rheumatoid arthritis

Reference External validity (0–1) Internal validity
(0–10)
Total score Quality
  1 2 3 4 5 6 7 8 9 10 11   
Chalmers et al. 2000 [31] 1 1 0 n/a 0 0 1 0 1 1 1 5/9 (56%) High
Chang et al. 2011 [35] 0 0 0 n/a 0 0 0 1 1 1 1 4/9 (44%) Fair
Cho et al. 2009 [33] 1 1 0 1 0 0 0 0 1 1 1 5/10 (50%) Fair
Gatt et al. 2016 [37] 1 0 0 n/a 0 0 0 1 1 0 1 3/9 (33%) Low
Gibson et al. 2014 [11] 1 0 0 n/a 0 0 0 1 1 1 1 4/9 (44%) Fair
Hodge et al. 1999 [36] 0 0 0 n/a 0 0 0 1 1 1 1 4/9 (44%) Fair
Jackson et al. 2004 [32] 1 1 0 n/a 0 0 0 1 1 1 1 5/9 (56%) High
Pallari et al. 2010 [38] 1 0 0 n/a 0 0 0 1 1 1 1 4/9 (44%) Fair
Rome et al. 2017 [34] 1 1 1 0 1 0 0 0 1 1 1 6/10 (60%) High
Tenten-Diepenmaat et al. 2016 [39] 1 0 0 n/a 0 0 0 1 1 1 1 4/9 (44%) Fair
  1. High quality = study quality percentage ≥ 55–100%. Fair quality = study quality percentage ≥ 35- < 55%. Low quality = study quality percentage < 35%. n/a = not applicable