Fig. 6

The decision curves of the nomogram for prediction of recurrence of LBP after SM/M at the 1-year follow-up in overall patients. Vertical axis: the net benefit; horizontal axis: the threshold probability at a range of 0.0 to 1.0. The gray line represents the decision curve of the assumption that all patients suffer from recurrence; the black line represents the decision curve of the assumption that no patients suffer from recurrence. LBP, low back pain