Predictors of achieving minimal clinically important difference in functional status for elderly patients with degenerative lumbar spinal stenosis undergoing lumbar decompression and fusion surgery

Table 6 The comparison of predictive power of each factor

	δAUC	95%CI	p value
Psoas major muscle attenuation vs. preoperative ODI	0.021	−0.126–0.167	0.783
Psoas major muscle attenuation vs. Psoas major muscle attenuation + preoperative ODI	−0.063	−0.134–0.009	0.084
Preoperative ODI vs. psoas major muscle attenuation + Preoperative ODI	−0.083	−0.174–0.007	0.071

Abbreviations AUC, area under the curve; CI, confidence interval; ODI, Ostwestry Disability Index

ISSN: 1471-2482