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Table 3 Cutoff values of available information and related statistical measures according to the examinations

From: Diagnostic accuracy of pattern differentiation algorithm based on Chinese medicine theory: a stochastic simulation study

  Cutoff for criterion: N%
Methods Ip Ip+AO Ip+AO+Iq Ip+AO+Iq+P
(Four Examinations)
N simulated 13800 13800 13800 13800
N missing* 200 200 0 0
Cutoff 52.0% 51.5% 33.5% 28.5%
Accuracy 64.0%
(62.9; 65.2)
64.9%
(63.8; 66.1)
74.7%
(73.7; 75.7)
80.1%
(79.2; 81.1)
Area under the curve 63.4%
(62.0; 64.7)
64.6%
(63.3; 65.9)
81.6%
(80.1; 83.1)
85.3%
(83.8; 86.8)
Sensitivity 61.3%
(59.6; 63.2)
61.9%
(60.3; 63.6)
74.5%
(73.4; 75.7)
80.2%
(79.2; 81.2)
Specificity 65.9%
(64.5; 67.4)
67.7%
(66.2; 69.3)
75.5%
(73.2; 78.1)
79.5%
(77.3; 82.2)
  1. Ip: inspection, AO: auscultation-olfaction, Iq: inquiry, P: palpation
  2. Note:Missing cases are due to absence of manifestations describing the inspection method.