Table 1: Fusion rates for various bone grafts in posterior approaches to minimally invasive interbody fusions.

Bone grafts materialPosterior approaches to MIS interbody fusion
Number of studiesNumber of patientsFusion rate (%)Range (%)

Autograft (local and iliac crest)2298683–91
Autograft (local) alone2312099168–100
Autograft (iliac crest) alone310190–100
Autograft + allograft517892–100
BMA (as extender)210993-94
DBM (as extender)52648577–97
Ceramics (as extender)32178683–88
Ceramics alone1577676
rhBMP-2 (with another bone graft)748665–100
rhBMP-2 alone13694

are no significant differences in fusion rates among these groups; however, they do demonstrate significantly higher fusion rates when compared to the rest ().