Systematic Reviews
Copyright ©The Author(s) 2022.
World J Orthop. May 18, 2022; 13(5): 494-502
Published online May 18, 2022. doi: 10.5312/wjo.v13.i5.494
Table 1 Newcastle-Ottawa scale for assessing the quality of nonrandomized studys
Ref.
Representativeness of the exposed cohort
Selection of the non-exposed cohort
Ascertainment of exposure
Demonstration that outcome of interest was not present at start of study
Comparability of cohorts on the basis of the design or analysis
Assessment of outcome
Was follow-up long enough for outcomes to occur?
Adequacy of follow up of cohorts
Total, n
Zura et al[30], 20181111116
Kay et al[31], 20101111116
Kay et al[32], 20111111116
DePeter et al[33], 20171111217