A predictive model for early diagnosis of keratoconus

BMC Ophthalmology

Table 7 Confusion matrix Normal vs Keratoconus

	Actual group	Total	Predicted group		AUC	Accuracy(%)	Precision(%)	Sensitivity(%)	Specificity(%)
	Actual group	Total	Normal	KC	AUC	Accuracy(%)	Precision(%)	Sensitivity(%)	Specificity(%)
Proposed model	Normal	82	81	1	0.99	98.18	98.78	97.59	98.78
Proposed model	KC	83	2	81
BAD-D	Normal	82	82	0	1	98.18	100	96.38	100
BAD-D	KC	83	3	80
PPI	Normal	82	80	2	0.98	95.15	97.46	92.77	97.56
PPI	KC	83	6	77
IHD	Normal	82	79	3	0.99	93.94	96.2	91.56	96.34
IHD	KC	83	7	76
ArtMAX	Normal	82	76	6	0.99	93.33	92.85	93.97	92.68
ArtMAX	KC	83	5	78
IVA	Normal	82	77	5	0.98	91.52	93.67	89.15	93.9
IVA	KC	83	9	74

BAD-D: Belin/Ambrósio Enhanced Ectasia Display. PPI-Avg: Mean Pachymetry Progression Index IHD: index of height decentration Art-MAX: The Ambrósio relational thickness maximum, IVA: vertical asymmetry index, MCT: minimum corneal thickness

ISSN: 1471-2415