Fig. 3From: Identifying predictors for postoperative clinical outcome in lumbar spinal stenosis patients using smart-shoe technology a Scatter plot between the reported ODI and predicted ODI scores, where the Spearman correlation coefficient r was 0.78, p<5.32×10−4, and RMSE of 0.13. b Bland-Altman plot where the bias was 2.41×10−17 and the limit of agreement was 0.24Back to article page