Fig. 2From: Predictors of achieving minimal clinically important difference in functional status for elderly patients with degenerative lumbar spinal stenosis undergoing lumbar decompression and fusion surgeryThe receiver operating characteristic curves of the 3 predictors (psoas major muscle attenuation, preoperative ODI and psoas major muscle attenuation + preoperative ODI). Abbreviations ODI Ostwestry Disability IndexBack to article page