CD-US

Sensitivity

Specificity

PPV

NPV

No activity

80 (28.4 - 99.5)

100 (92.6 - 100.0)

100 (39.8 - 100.0)

98.0 (89.1 - 99.9)

Mild activity

93.3 (68.1 - 99.8)

86.8 (71.9 - 95.6)

73.7 (48.8 - 90.9)

97.1 (84.7 - 99.9)

Moderate activity

84.2 (60.4 - 96.6)

94.1 (80.3 - 99.3)

88.9 (65.3 - 98.6)

91.4 (76.9 - 98.2)

Severe activity

85.7 (57.2 - 98.2)

100.0 (91.1 - 100.0)

100.0 (73.5 - 100.0)

95.1 (83.5 - 99.4)