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Sagittal balance of the cervical spine: a systematic review and meta-analysis
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Sagittal balance of the cervical spine: a systematic review and meta-analysis
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Sagittal balance of the cervical spine: a systematic review and meta-analysis
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Journal Article
Sagittal balance of the cervical spine: a systematic review and meta-analysis
2021
Overview
PurposeThe purpose of this systematic review and meta-analysis was to compare the cervical sagittal parameters between patients with cervical spine disorder and asymptomatic controls.MethodsTwo independent authors systematically searched online databases including Pubmed, Scopus, Cochrane library, and Web of Science up to June 2020. Cervical sagittal balance parameters, such as T1 slope, cervical SVA (cSVA), and spine cranial angle (SCA), were compared between the cervical spine in healthy, symptomatic, and pre-operative participants. Where possible, we pooled data using random-effects meta-analysis, by CMA software. Heterogeneity and publication bias were assessed using the I-squared statistic and funnel plots, respectively.ResultsA total of 102 studies, comprising 13,802 cases (52.7% female), were included in this meta-analysis. We used the Newcastle–Ottawa Scale (NOS) to evaluate the quality of studies included in this review. Funnel plot and Begg’s test did not indicate obvious publication bias. The pooled analysis reveals that the mean (SD) values were: T1 slope (degree), 24.5 (0.98), 25.7 (0.99), 25.4 (0.34); cSVA (mm), 18.7 (1.76), 22.7 (0.66), 22.4 (0.68) for healthy population, symptomatic, and pre-operative assessment, respectively. The mean value of the SCA (degree) was 79.5 (3.55) and 75.6 (10.3) for healthy and symptomatic groups, respectively. Statistical differences were observed between the groups (all P values < 0.001).ConclusionThe findings showed that the T1 slope and the cSVA were significantly lower among patients with cervical spine disorder compared to controls and higher for the SCA. Further well-conducted studies are needed to complement our findings.
Publisher
Springer Nature B.V
Subject
