Fig. 2
Clinical characteristics. A Color matrix: indicating the correlation coefficient between factor scores and UPDRS scores and the duration of disease. *p < 0.05, **p < 0.01 by Spearman's rank correlation coefficient. Plot graphs: the results of the comparison of clinical evaluations in each cluster. Data are mean ± SD. *p < 0.05, **p < 0.01 by post hoc test (Steel–Dwass test) and Kruskal–Wallis test. B Percentages of members. Left panel: The percentages of Elderly, PDmild and PDsevere in each cluster. Percentages of the clusters in the clinical classification. Right panel: The percentages of clinical classification in each cluster