“…-0 1 -14% ---Nomura et al [22] [23] 102 ± 44 -35 ± 76 -11% -2.1 2.2 Wada et al [24] 144 -60 -7% --- [27] 2014 XLIF Retrospective cohort, XLIF vs ALIF DDD, FBSS, spondylolisthesis 88 120 Smith et al [28] 2012 XLIF Retrospective cohort, XLIF vs ALIF DDD, LSS, FBSS, spondylolisthesis, herniation 115 87 1 Rodgers et al [12] 2010 XLIF Retrospective cohort, XLIF vs PLIF > 80 yr, LSS, FBSS spondylolisthesis, scoliosis, fracture 40 20 Huang et al [29] 2010 MIS-ALIF 2 Prospective cohort, MIS-ALIF vs ALIF Not defined 10 13 Case series 3 Rodgers et al [13] 2011 XLIF PCS LSS, DDD, FBSS, spondylolisthesis, scoliosis 600 -Ruetten et al [30] 2005 XLIF RCS Lumbar disc prolapse 463 -Lykissas et al [31] 2014 XLIF RCS Degenerative spinal conditions 144 -Grimm et al [32] 2014 XLIF RCS DDD, LSS, FBSS, scoliosis, spondylolisthesis, herniation 108 -Tohmeh et al [33] 2011 XLIF PCS LSS, DDD, spondylolisthesis, spondylosis, scoliosis, recurrent herniation, ASD…”