Fig. 5From: Identifying predictors for postoperative clinical outcome in lumbar spinal stenosis patients using smart-shoe technology a Scatter plot between the reported VAS and predicted VAS scores, where the Spearman correlation coefficient r was 0.83, p<1.28×10−4, and RMSE of 0.19. b Bland-Altman plot where the bias was −4.22×10−6 and the limit of agreement was 0.39Back to article page