Skip to main content

Table 5 Confusion matrix of keratoconus detection by LDA, optimized RF (DKI), CBI and TBI on validation dataset

From: Development of a classification system based on corneal biomechanical properties using artificial intelligence predicting keratoconus severity

  Reference diagnosis (healthy – KC)   
  Healthy KC Sn/Sp Accuracy
Final LDA Healthy 31 7 93%/94% 93%
KC 2 86
DKI Healthy 30 6 94%/91% 93%
KC 3 87
CBI Healthy 31 11 88%/94% 90%
KC 2 82
TBI Healthy 32 0 100%/97% 99%
KC 1 93
  1. CBI Corvis biomechanical index; DKI Dresden keratoconus index based on optimized RF model; KC keratoconus; LDA linear discriminant analysis; Sn sensitivity; Sp specificity; TBI tomographic and biomechanical index. Bold signifies correct prediction by LDA or RF model