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Review

Safety and efficacy of cervical disc arthroplasty in preventing the adjacent segment disease: a meta-analysis of mid- to long-term outcomes in prospective, randomized, controlled multicenter studies

, , , , , & show all
Pages 531-539 | Published online: 28 Mar 2019

Figures & data

Figure 1 Flowchart of study selection.

Figure 1 Flowchart of study selection.

Figure 2 The list of publications included in this meta-analysis.

Note: *The same control group; **the same control group and study enlarged by 15 (1L) i9 (2L).
Abbreviations: ACDF, anterior cervical discectomy and fusion; CDA, cervical disc arthroplasty.
Figure 2 The list of publications included in this meta-analysis.

Figure 3 Risk of bias assessment:

low,
high,
unclear.

Figure 3 Risk of bias assessment: Display full size low, Display full size high, Display full size unclear.

Figure 4 Forest plot of ASD at 60 months.

Abbreviations: ACDF, anterior cervical discectomy and fusion; ASD, adjacent segment degeneration; CDA, cervical disc arthroplasty.
Figure 4 Forest plot of ASD at 60 months.