Figure 4.
(A) Forest plot of reoperation rates at level of injury for ACDA vs. ACDF, stratified into short-term and long-term outcomes; (B) forest plot of secondary cervical reoperations for ACDA vs. ACDF, stratified into short-term and long-term outcomes. ACDA, anterior cervical disc arthroplasty; ACDF, anterior cervical discectomy and fusion.