Table 3 Comparison of DFT KS20, AT20, and IS20 between patients and controls and corresponding ROC analysis.

From: Developing and assessing a new web-based tapping test for measuring distal movement in Parkinson’s disease: a Distal Finger Tapping test

 

Mean KS20 (95% CI)

Mean AT20 (95% CI)

Median IS20 (IQR)

PD (n = 55)

55.0 (48.9, 61.1)

195.6 (168.7, 222.5)

4589 (1137, 13,464)

Controls (n = 65)

89.3 (85.6, 93.0)

105.5 (97.5, 113.4)

779.5 (357.7, 779.5)

p value

 < 0.001a

 < 0.001a

 < 0.001b

 

KS20

Sensitivity

AT20

Sensitivity

IS20

Sensitivity

Specificity—90% (cut-off)

66.2% (82.5)

58.5% (108.2)

46.2% (717.6)

Specificity—85% (cut-off)

78.5% (80.5)

67.7% (116.4)

56.9% (853.4)

Specificity—80% (cut-off)

78.5% (78.5)

76.9% (127.9)

61.5% (957.3)

Area under curve the ROC curve (95% CI)

0.90 (0.85, 0.96)

0.87 (0.81, 0.93)

0.82 (0.74, 0.89)

  1. KS20, kinesia score; AT20, akinesia time; IS20, incoordination score; CI, confidence interval; IQR, interquartile range; SD, standard deviation.
  2. aUnpaired t-test.
  3. bMann–Whitney test. Plotted in Fig. 2.
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