Author Name Prosthesis Investigated Number of Subjects (Arthroplasty/Fusion) Level of Bias (Cochrane Back Review Group)
Zigler and Delamarter, 2012 [19] ProDisc-C 103/106 Low Risk of Bias
Zhang et al., 2012 [12] BRYAN 56/53 Low Risk of Bias
Cheng et al., 2011 [13] BRYAN 41/42 Low Risk of Bias
Sasso et al., 2011 [14] BRYAN 242/221 Low Risk of Bias
Coric et al., 2011 [18] Kineflex-C 136/133 High Risk of Bias
McAfee et al., 2010 [20] PCM 151/100 High Risk of Bias
Burkus et al., 2010 [16] PRESTIGE 144/127 Low Risk of Bias
Porchet and Metcalf, 2004 [15] PRESTIGE 27/28 Low Risk of Bias
Table 1: Included articles on cervical disc arthroplasty versus anterior cervical discectomy and fusion.