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Table 2 Quality assessment according to the NOS

From: Anterior versus posterior approach in Lenke 5C adolescent idiopathic scoliosis: a meta-analysis of fusion segments and radiological outcomes

References Selection Comparability Exposure Total
Hee et al. [21] 3 2 2 7
Wang et al. [22] 3 2 3 8
Li et al. [23] 3 2 2 7
Geck et al. [24] 3 2 2 7
Zhan et al. [25] 2 2 2 6
Eljure et al. [26] 2 2 2 6
Dong et al. [27] 3 2 2 7