Fig. 1From: Does local vancomycin powder impregnated with autogenous bone graft and bone substitute decrease the risk of deep surgical site infection in degenerative lumbar spine fusion surgery?—An ambispective studyThe study design of this ambispective study. The study was composed of retrospective study (non-vancomycin, N = 86) before the vancomycin protocol and prospective study (vancomycin, N = 110) after the protocol set upBack to article page