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Table 6 CBS vs PSP-RS binary classification

From: Intracortical diffusion tensor imaging signature of microstructural changes in frontotemporal lobar degeneration

Test cohort

Accuracy %

CBS Accuracy %

PSP-RS Accuracy %

Regional PerpPD selected features

 L and R caudal anterior cingulate PerpPD

 L and R superior parietal PerpPD

 R postcentral PerpPD

 R supramarginal PerpPD

80.8

91.7

71.4

Brainstem substructures

 Whole brainstem volume fraction

74.1

75.0

73.3

 Midbrain volume fraction

70.4

83.3

60

 Medulla volume fraction

66.7

83.3

53.3

 Pons volume fraction

70.4

66.7

73.3

 Superior cerebellar peduncle volume fraction

66.7

91.7

46.7

Regional PerpPD selected features + whole brainstem

 L and R caudal anterior cingulate PerpPD

 L and R superior parietal PerpPD

 R postcentral PerpPD

 R supramarginal PerpPD

+

 Whole brainstem volume fraction

85.2

91.7

80.0

  1. Table 6 shows the classification accuracy of PerpPD values and brainstem substructures volume fractions