Table.

Demographic, Tomographic, and Biomechanical Variables for Normal and Keratoconic Eyes

						Scheimpflug Tomography
Patient	Sex	Eye	Age	Spherical Equivalent Manifest Refraction (D)	IOP (mmHg)	Km (D)	kmax (D)	TPCT (µm)	Elastography ka/kp
	Normal Subjects
1	Male	OD	29	−4.38	15.5	41.6	42.5	529	1.156
		OS		−2.63	14.5	42.0	42.7	532	1.209
2	Male	OD	30	+0.75	17.0	39.3	39.7	590	1.118
		OS		+0.50	16.0	39.4	39.9	603	1.263
3	Female	OD	60	+3.00	15.5	42.2	43.0	543	1.146
		OS		+4.13	14.0	42.0	42.4	530	1.146
4	Female	OD	34	−0.50	13.0	41.9	43.3	529	1.196
		OS		−0.75	13.0	42.2	43.7	526	1.130
5	Female	OD	32	−4.13	17.0	41.8	43.0	535	1.008
		OS		−3.38	16.0	42.2	43.3	538	1.065
6	Male	OS	26	−1.00	19.0	42.0	43.0	559	1.048
7	Female	OS	32	−2.88	14.5	42.5	43.2	509	1.132
8	Female	OD	31	−6.00	15.0	46.6	47.1	542	1.089
		OS		−6.25	15.0	46.7	47.2	537	1.094
9	Male	OS	23	−0.25	18.5	44.7	45.4	591	1.093
10	Male	OD	39	−3.63	12.5	45.3	46.0	536	1.095
		OS		−3.63	11.5	45.5	46.4	535	1.108
11	Male	OD	35	+1.75	17.5	42.2	42.8	558	1.218
		OS		+2.13	16.0	42.1	43.1	543	1.313
12	Female	OD	34	−6.75	18.5	42.4	42.9	586	1.122
		OS		−7.13	19.0	42.8	43.5	596	1.090
	Keratoconus Subjects
13	Male	OD	42	−2.38	16.8	48.7	66.30	390	1.055
14	Male	OS	55	−12.50	15.4	47.7	56.00	479	1.013
15	Female	OD	39	+0.25	17.6	43.8	48.20	497	1.000
16	Female	OD	59	0	14.0	44.3	44.70	506	1.049
		OS		−0.25	17.0	45.0	45.18	489	1.071
17	Female	OD	43	−0.63	7.0	46.2	54.70	442	1.151
18	Female	OS	34	0	10.0	52.2	58.30	448	1.063
18	Male	OD	42	−0.38	11.0	48.0	54.60	464	1.063
19	Male	OD	27	+2.75	11.2	52.6	63.0	398	1.044
		OS		+1.25	11.6	46.1	56.10	423	0.977
20	Female	OS	23	+1.88	9.0	51.8	69.50	464	0.889
21	Male	OD	21	−0.63	16	43.5	51.20	495	1.051
		OS		−1.00	17.5	43.3	50.50	482	1.045
22	Male	OD	57	+1.75	11	47.5	59.90	413	0.800
23	Male	OD	28	−2.75	10	43.4	43.90	473	1.041
Controls (mean ± SD)			34 ± 9	−1.95 ± 3.29	15.6 ± 2.2	42.7 ± 2.0	43.5 ± 2.0	550 ± 27	1.14 ± 0.07
Keratoconus (mean ± SD)			39 ± 15	−1.10 ± 3.54	13.0 ± 3.5	46.9 ± 3.3	54.8 ± 7.8	458 ± 37	1.02 ± 0.08
P valueb			0.26	0.07	0.015a	< 0.01a	< 0.01a	< 0.01a	< 0.01a

Subjects 1–12, normal group; 13–22, keratoconus group.

Km, mean keratometry.

^aStatistically significant difference.

^bMann-Whitney U test.