Fusion success by surgical approach
PLF
Nineteen subjects (22.1%) underwent anterior lumbar interbody fusion (ALIF), 21 subjects (24.4%) underwent lateral or oblique lateral lumbar interbody fusion (LLIF, DLIF, XLIF or OLIF), 35 subjects (40.7%) underwent a posterior interbody fusion (PLIF, MIDLIF or TLIF), and 11 subjects (12.8%) underwent posterolateral lumbar fusion (PLF). The rate of fusion success was high regardless of the surgical approach (Table 
Fusion Success by Level and Surgical Approach.
