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首页> 美国卫生研究院文献>Frontiers in Neurology >Distinguishing Different Stages of Parkinson’s Disease Using Composite Index of Speed and Pen-Pressure of Sketching a Spiral
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Distinguishing Different Stages of Parkinson’s Disease Using Composite Index of Speed and Pen-Pressure of Sketching a Spiral

机译：利用速度和笔压绘制螺旋线的综合指数来区分帕金森氏病的不同阶段

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摘要

The speed and pen-pressure while sketching a spiral are lower among Parkinson’s disease (PD) patients with higher severity of the disease. However, the correlation between these features and the severity level (SL) of PD has been reported to be 0.4. There is a need for identifying parameters with a stronger correlation for considering this for accurate diagnosis of the disease. This study has proposed the use of the Composite Index of Speed and Pen-pressure (CISP) of sketching as a feature for analyzing the severity of PD. A total of 28 control group (CG) and 27 PD patients (total 55 participants) were recruited and assessed for Unified Parkinson’s Disease Rating Scale (UPDRS). They drew guided Archimedean spiral on an A3 sheet. Speed, pen-pressure, and CISP were computed and analyzed to obtain their correlation with severity of the disease. The correlation of speed, pen-pressure, and CISP with the severity of PD was −0.415, −0.584, and −0.641, respectively. Mann–Whitney U test confirmed that CISP was suitable to distinguish between PD and CG, while non-parametric k-sample Kruskal–Wallis test confirmed that it was significantly different for PD SL-1 and PD SL-3. This shows that CISP during spiral sketching may be used to differentiate between CG and PD and between PD SL-1 and PD SL-3 but not SL-2.
机译：在帕金森病（PD）病情严重程度较高的患者中，绘制螺旋线时的速度和笔压较低。但是，据报道这些特征与PD的严重程度（SL）之间的相关性为0.4。需要识别具有更强相关性的参数，以考虑将其用于疾病的准确诊断。这项研究提出了使用速记和笔压综合指数（CISP）作为分析PD严重程度的功能。总共招募了28名对照组（CG）和27名PD患者（总共55名参与者），并进行了统一帕金森氏疾病评分量表（UPDRS）评估。他们在A3纸上绘制了引导的阿基米德螺旋。计算并分析速度，笔压和CISP，以获得它们与疾病严重程度的相关性。速度，笔压和CISP与PD严重程度的相关性分别为-0.415，-0.584和-0.641。 Mann–Whitney U检验证实了CISP适合区分PD和CG，而非参数k样本Kruskal–Wallis检验证实了PD SL-1和PD SL-3的显着不同。这表明螺旋草图绘制过程中的CISP可用于区分CG和PD以及PD SL-1和PD SL-3，但不能区分SL-2。

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