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Table 2 Quality assessment of non-randomized comparative studies

From: Anterior cervical discectomy and fusion versus posterior cervical foraminotomy for the treatment of single-level unilateral cervical radiculopathy: a meta-analysis

StudySelectionComparabilityOutcomeTotal
Alvin et al. [20]4239
Cho et al. [9]3137
Dunn et al. [26]4138
Forster et al. [18]4239
Korinth et al. [23]4138
Lin et al. [10]4138
Mansfield et al. [27]3137
Mok et al. [17]4127
Scholz et al. [19]3037
Selvanathan et al. [21]3137
Tumialan et al. [22]3238
Witiw et al. [16]4127