Table 4 Receiver operating characteristics analysis and cut-off values for the prediction of outcomes of MCID improvement of ODI, SRS-22r scores and both ODI and SRS-22r scores
Parameters | AUC | p-value | Cut-off value | Sensitivity (%) | Specificity (%) |
|---|---|---|---|---|---|
ODI MCID | |||||
 Range of lateral spinal flexion (degrees) | 0.739 | 0.005* | 25.0 | 69.2 | 56.5 |
SRS-22r MCID | |||||
 Trunk shift (mm) | 0.711 | 0.049* | 14.0 | 66.7 | 82.4 |
 Pelvic incidence (degrees) | 0.720 | 0.009* | 50.0 | 66.7 | 59.1 |
 Lateral flexion range (degrees) | 0.841 | < 0.001* | 25.0 | 81.3 | 70.1 |
 EQ-5D-5L anxiety/decompression dimension score | 0.697 | 0.028* | 1.0 | 56.3 | 81.8 |
 SRS-22r total score | 0.743 | 0.002* | 3.5 | 81.3 | 63.6 |
Both ODI and SRS-22r MCIDs | |||||
 Lateral flexion range (degrees) | 0.777 | 0.018* | 25.0 | 75.0 | 53.6 |