Table 3.

Parameters in KCN patients.

orangeParameter	orangeCASIA2 Mean $\pm$ SD	orangePentacam Mean $\pm$ SD	orangeDifference 95%lower/upper	orangeICC 95%lower/upper	orange95%LOA Lower/upper	oranger	orangeBeta0	orangeBeta1
Anterior Ks	49.03 $\pm$ 3.74	49.06 $\pm$ 4.06	-0.03 $\pm$ 0.75 (-0.27 to 0.21)	0.987(0.975 to 0.993)	-1.5to1.44	.989**	-2.47	1.05
Anterior Kf	46.05 $\pm$ 3.32	45.73 $\pm$ 3.52	0.33 $\pm$ 0.57 (0.14 to 0.51)	0.986(0.974 to 0.997)	-0.79to1.45	.865**	-13.08	1.29
Anterior corneal cylinder	2.95 $\pm$ 1.4	3.31 $\pm$ 1.52	-0.35 $\pm$ 0.62 (-0.55 to -0.15)	0.911(0.835 to0.952)	-1.57to0.87	.889*	-2.46	2.36
TCT	449 $\pm$ 41	456 $\pm$ 43	-6.95 $\pm$ 12.91 ( -11.08 to -2.82)	0.953(0.913 to 0.975)	-32.25to18.35	.955**	0.36	1.01
ACT	464 $\pm$ 41	465 $\pm$ 41	-1.28 $\pm$ 10.96 (-4.78 to 2.23)	0.965( 0.934 to0.981)	-22.76to20.2	.965**	19.23	0.96
AHP	19 $\pm$ 12	22 $\pm$ 12	-2.18 $\pm$ 4.7 (-3.73 to -0.64)	0.913(0.840 to 0.953)	-11.39to7.03	.915**	2.22	0.98
PHP	41 $\pm$ 22	48 $\pm$ 24	-6.38 $\pm$ 10.25 (-9.71 to -3.06)	0.903(0.822 to 0.948)	-26.47to13.71	.905**	7.49	0.97
white<bcol>9</ecol>Ks, keratometry at seep meridian; Kf, keratometry at flat meridian; SD, standard deviation; LoA, limit of agreement based on linear mixed model analysis; ICC, Intraclass correlation; TCT, thinnest corneal thickness; ACT, apex corneal thickness; AHP, Anterior highest point (anterior surface elevation); PHP, Posterior highest point (posterior surface elevation); Beta0, Intercept of correction formula based on linear regression; Beta1, The correction coefficient based on linear regression; r, Pearson Correlation Coefficient relation * $P<$ 0.05; ** $P<$ 0.01