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Table 4 Levels of evidence for the quality of the measurement property for COSMIN

From: Comparison of 3D scanning versus traditional methods of capturing foot and ankle morphology for the fabrication of orthoses: a systematic review

Level Ratinga Criteria
Strong +++ or — Consistent findings in multiple studies of adequate methodological quality OR in one study of very good methodological quality.
Moderate ++ or – Consistent findings in multiple studies of doubtful methodological quality OR in one study of adequate methodological quality.
Limited + or - One study of inadequate methodological quality.
Conflicting +/− Conflicting findings.
Unknown ? Only studies of inadequate/doubtful methodological quality.
  1. aNOTE. + = positive;? = indeterminate; − = negative [17]