Table 3.

Receiver operating characteristic curve (ROC) analysis for KCN and Fellow eye versus Normal groups

Pentacam parameters	KCN vs Normal AUC (CI 95%)	Fellow eye vs Normal AUC (CI 95%)
K1	0.74 (0.562-0.919)	0.431 (0.266-0.597)
K2	0.892 (0.77-1.014)	0.411 (0.244-0.577)
Km	0.833 (0.692-0.975)	0.427 (0.261-0.593)
Kmax	0.981 (0.946-1.016)	0.45 (0.281-0.619)
A	0.969 (0.928-1.01)	0.457 (0.274-0.639)
Q	0.148 (−0.13-0.309)	0.387 (0.204-0.571)
4 mm I-S	1 (1)	0.519 (0.334-0.703)
6 mm I-S	0.989 (0.969-1.01)	0.629 (0.46-0.799)
4 mm ST-IN	0.206 (0.004-0.407)	0.512 (0.325-0.698)
6 mm ST-IN	0.195 (0.018-0.372)	0.598 (0.432-0.764)
4 mm SN-IT	0.005 (−0.007-0.017)	0.457 (0.287-0.627)
6 mm SN-IT	0.025 (−0.022-0.073)	0.377 (0.185-0.57)
CV	0.138 (0.035-0.242)	0.249 (0.1-0.398)
CTA	0.008 (−0.01-0.026)	0.187 (0.05-0.324)
CTT	0 (0)	0.171 (0.036-0.305)
Y	0.233 (0.089-0.378)	0.28 (0.13-0.431)
AEmax	1 (1)	0.605 (0.435-0.775)
PEmax	1 (1)	0.636 (0.452-0.821)
AEmin	0.005 (−0008-0.018)	0.485 (0.291-0.679)
PEmin	0.122 (−0.003-0.246)	0.544 (0.369-0.719)
AEdif	1 (1)	0.584 (0.407-0.762)
PEdif	1 (1)	0.564 (0.382-0.745)
ISV	0.998 (0.992-1.004)	0.605 (0.435-0.775)
IVA	1 (1)	0.508 (0.322-0.694)
KI	1 (1)	0.589 (0.418-0.76)
CKI	0.846 (0.682-1.01)	0.533 ((0.342-0.724)
IHA	0.846 (0.689-1.004)	0.327 (0.131-0.524)
IHD	0.989 (0.966-1.013)	0.336 (0.133-0.54)
Rmin	0.017 (−0.15-0.048)	0.53 (0.363-0.698)
PImax	0.997 (0.989-1.005)	0.741 (0.602-0.88)
PImin	0.947 (0.882-1.012)	0.689 (0.532-0.846)
PIavg	0.998 (0.992-1.004)	0.693 (0.536-0.851)
Df	0.986 (0.957-1.015)	0.598 (0.432-0.764)
Db	0.988 (0.963-1.013)	0.648 (0.495-0.801)
Dp	0.998 (0.992-1.004)	0.695 (0.538-0.852)
Dt	1 (1)	0.827 (0.693-0.962)
Da	0.998 (0.992-1.004)	0.789 (0.66-0.919)
D	1 (1)	0.859 (0.756-0.961)

AUC=Area under the receiver operating characteristic curve; CI=Confidence interval