|
Parameters
| |
FFKC vs. TNC
| |
MKC vs. TNC
|
|---|
|
AUC
|
Sensitivity (%)
|
Specificity (%)
|
Youden index
|
Cutoff
|
AUC
|
Sensitivity (%)
|
Specificity (%)
|
Youden index
|
Cutoff
|
|---|
|
Kmax
|
0.511
|
58.00
|
52.00
|
0.100
|
> 45.0
|
0.840
|
66.00
|
90.00
|
0.560
|
> 47.0
|
|
ISV
|
0.571
|
54.00
|
62.00
|
0.160
|
> 19.00
|
0.980
|
96.00
|
96.00
|
0.920
|
> 27.00
|
|
IVA
|
0.680
|
66.00
|
64.00
|
0.300
|
> 0.13
|
0.976
|
92.00
|
92.00
|
0.840
|
> 0.21
|
|
KI
|
0.642
|
64.00
|
60.00
|
0.240
|
> 1.03
|
0.953
|
92.00
|
86.00
|
0.780
|
> 1.05
|
|
CKI
|
0.556
|
34.00
|
82.00
|
0.160
|
≤ 1.00
|
0.742
|
64.00
|
92.00
|
0.560
|
> 1.01
|
|
IHA
|
0.722
|
78.00
|
66.00
|
0.440
|
> 3.0
|
0.910
|
80.00
|
100.00
|
0.800
|
> 12.3
|
|
IHD
|
0.849
|
84.00
|
72.00
|
0.560
|
> 0.008
|
0.991
|
96.00
|
98.00
|
0.940
|
> 0.018
|
|
A1T
|
0.594
|
74.00
|
48.00
|
0.220
|
≤ 7.225
|
0.673
|
84.00
|
48.00
|
0.320
|
≤ 7.226
|
|
A1V
|
0.719
|
58.00
|
80.00
|
0.380
|
> 0.160
|
0.700
|
58.00
|
82.00
|
0.400
|
> 0.161
|
|
A1DA
|
0.750
|
84.00
|
60.00
|
0.440
|
> 0.091
|
0.880
|
70.00
|
92.00
|
0.620
|
> 0.098
|
|
A1L
|
0.713
|
68.00
|
70.00
|
0.380
|
> 2.242
|
0.795
|
76.00
|
78.00
|
0.540
|
> 2.253
|
|
A2T
|
0.634
|
64.00
|
64.00
|
0.280
|
> 21.966
|
0.660
|
76.00
|
56.00
|
0.320
|
> 21.918
|
|
A2DA
|
0.766
|
74.00
|
72.00
|
0.760
|
> 0.101
|
0.762
|
62.00
|
82.00
|
0.440
|
> 0.104
|
|
HCDA
|
0.604
|
56.00
|
68.00
|
0.240
|
> 0.982
|
0.780
|
80.00
|
68.00
|
0.480
|
> 0.982
|
|
HCR
|
0.570
|
42.00
|
78.00
|
0.200
|
> 6.860
|
0.598
|
24.00
|
96.00
|
0.200
|
≤ 5.745
|
|
DA
|
0.648
|
54.00
|
78.00
|
0.320
|
> 1.144
|
0.691
|
44.00
|
88.00
|
0.320
|
> 1.163
|
|
ARTh
|
0.616
|
62.00
|
64.00
|
0.260
|
> 384.769
|
0.686
|
38.00
|
96.00
|
0.340
|
≤ 280.029
|
|
CBI
|
0.710
|
60.00
|
88.00
|
0.480
|
≤ 0.766
|
0.624
|
46.00
|
88.00
|
0.340
|
> 0.968
|
- TNC thin normal cornea; FFKC forme fruste keratoconus; MKC mild keratoconus; AUC area under the curve; Kmax maximum keratometry from the anterior corneal surface; ISV index of surface variance; IVA index of vertical asymmetry; KI keratoconus index; CKI central keratoconus index; IHA index of height asymmetry; IHD index of height decentration; A1T time from starting until the first applanation; A1V velocity of the corneal apex during the first applanation; A1DA corneal deflection amplitude during the first applanation; A1L length at the first applanation; A2T time from starting until the second applanation; A2DA corneal deflection amplitude during the second applanation; HCDA corneal deflection amplitude at the moment of the highest corneal concavity; HCR central concave curvature at highest concavity; DA maximum deformation amplitude; ARTh ambrósio relational thickness to the horizontal profile; CBI corneal biomechanical index
