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Table 2 Quality assessment of cohort studies according to the Newcastle Ottawa Scale (NOS)

From: Is laminoplasty or laminectomy the best strategy for C3 segment in French-door laminoplasty? A systematic review and meta-analysis

Study Selection Compaaability Exposure Total Score
Kudo et al. [6] 3 2 3 8
Takeuchi et al. [8] 3 2 3 8
Long et al. [9] 3 2 2 7
Wang et al. [10] 3 2 3 8
Ding et al. [11] 3 2 2 7
Wang et al. [12] 3 2 3 8
Takeuchi et al. [13] 3 2 3 8
Nakajima et al. [14] 3 2 3 8