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Table 2 Quality assessment of the enrolled studies

From: Association between sagittal balance and adjacent segment degeneration in anterior cervical surgery: a systematic review and meta-analysis

Authors Selection Comparability Exposure
Katsuura2001 et al [35]
Kim2015 et al [36]
Lee2015 et al [37]
Li2014 et al [38]
Song2014 et al [39]
Song2018 et al [40]
Yang2017 et al [41]