. 2023 Oct 6;11:1266940. doi: 10.3389/fbioe.2023.1266940

TABLE 3.

Interocular consistency test of corneal biomechanical parameters in the control and keratoconus groups.

	Control (n = 331)				Keratoconus (n = 207)
Biomechanical parameters	OD	OS	ICC ^a	p for ICC	Better eye	Worse eye	ICC ^a	p for ICC
Pachy [μm]	556.91 ± 30.98	557.7 ± 31.75	0.956	<0.001	506.47 ± 42.85	475.24 ± 38.46	0.588	<0.001
A1T [ms]	7.38 ± 0.29	7.40 ± 0.28	0.857	<0.001	7.29 ± 0.26	7.16 ± 0.26	0.720	<0.001
A1V [m/s]	0.15 ± 0.02	0.15 ± 0.02	0.725	<0.001	0.16 ± 0.02	0.17 ± 0.02	0.421	<0.001
A2T [ms]	21.51 ± 0.46	21.52 ± 0.46	0.844	<0.001	22.20 ± 0.55	22.33 ± 0.56	0.846	<0.001
A2V [m/s]	−0.28 ± 0.03	−0.28 ± 0.03	0.621	<0.001	−0.29 ± 0.04	−0.31 ± 0.05	0.388	<0.001
HCT [ms]	16.84 ± 0.57	16.91 ± 0.51	0.365	<0.001	17.17 ± 0.54	17.16 ± 0.52	0.260	<0.001
PD [mm]	5.33 ± 0.27	5.31 ± 0.26	0.770	<0.001	5.37 ± 0.26	5.39 ± 0.25	0.727	<0.001
A1DeflAmp [mm]	0.09 ± 0.01	0.09 ± 0.01	0.258	<0.001	0.09 ± 0.01	0.10 ± 0.01	0.295	<0.001
HCDeflAmp [mm]	0.95 ± 0.10	0.94 ± 0.10	0.810	<0.001	1.02 ± 0.11	1.10 ± 0.13	0.579	<0.001
A2DeflAmp [mm]	0.10 ± 0.01	0.10 ± 0.01	0.369	<0.001	0.10 ± 0.01	0.11 ± 0.02	0.211	0.001
A1DeflArea [mm²]	0.17 ± 0.03	0.19 ± 0.04	0.164	0.001	0.17 ± 0.03	0.19 ± 0.03	0.122	0.039
HCDeflArea [mm²]	3.61 ± 0.52	3.57 ± 0.51	0.779	<0.001	3.81 ± 0.56	4.04 ± 0.60	0.671	<0.001
A2DeflArea [mm²]	0.22 ± 0.04	0.22 ± 0.04	0.256	<0.001	0.22 ± 0.05	0.24 ± 0.06	0.233	<0.001
A1ΔArcL [mm]	−0.02 ± 0.00	−0.02 ± 0.00	0.433	<0.001	−0.02 ± 0.00	−0.02 ± 0.01	0.319	<0.001
HCΔArcL [mm]	−0.12 ± 0.02	−0.12 ± 0.02	0.647	<0.001	−0.11 ± 0.03	−0.11 ± 0.03	0.499	<0.001
A2ΔArcL [mm]	−0.02 ± 0.00	−0.02 ± 0.00	0.498	<0.001	−0.02 ± 0.01	−0.02 ± 0.01	0.323	<0.001
MaxIR [mm^-1]	0.17 ± 0.01	0.17 ± 0.01	0.583	<0.001	0.19 ± 0.02	0.22 ± 0.03	0.293	<0.001
DAR2	3.95 ± 0.35	3.94 ± 0.34	0.873	<0.001	4.62 ± 0.60	5.37 ± 0.90	0.294	<0.001
DAR1	1.51 ± 0.04	1.50 ± 0.04	0.749	<0.001	1.57 ± 0.06	1.63 ± 0.07	0.394	<0.001
ARTh	608.71 ± 118.78	675.69 ± 140.06	0.781	<0.001	420.04 ± 150.92	244.59 ± 100.13	0.278	<0.001
bIOP [mmHg]	15.62 ± 2.16	15.74 ± 2.16	0.799	<0.001	14.63 ± 2.05	14.03 ± 2.19	0.655	<0.001
IR [mm^-1]	7.98 ± 0.83	7.91 ± 0.89	0.798	<0.001	9.74 ± 1.53	11.64 ± 1.88	0.345	<0.001
SP-A1	117.61 ± 15.38	115.02 ± 16.35	0.782	<0.001	88.52 ± 20.72	67.22 ± 20.45	0.509	<0.001
SSI	0.85 ± 0.12	0.86 ± 0.13	0.770	<0.001	0.79 ± 0.14	0.70 ± 0.13	0.475	<0.001

Data are presented as mean ± SD.

OD, right eye; OS, left eye; better eye, eye with a lower KSS, grade; worse eye, eye with a greater KSS, grade; ICC, intraclass correlation coefficient.

^{^a}

ICC, was calculated using Two-way random model and Consistency type.