Systematic Reviews
Copyright ©The Author(s) 2017.
World J Orthop. May 18, 2017; 8(5): 424-430
Published online May 18, 2017. doi: 10.5312/wjo.v8.i5.424
Table 4 Methodological quality scores of the individual included comparative cohort studies
Ref.Selection (max = ****)Comparability (max = **)Exposure (max = ***)
Marder et al[13]********
Tillander et al[14]*********
Maier et al[15]********
Newcastle-Ottawa Scale[9].