The ODI scores indicated statistically significant improvement in the 5th session (P = 0.001) and at 1-month follow-up (P = 0.001). Because the MCIC for ODI score in the present study was 6 points, the improvements were not considered clinically significant at the 5th session or at 1-month follow-up (Fig. 5) (Table 2).Fig. 5Trend in functional disability level during the trial