Autoimmune Thyroid Disease and Keratoconus: Is There an Association?

Table 3

Abnormal Pentacam results in KC patients with and without autoimmune thyroid disease.

	Abnormal Pentacam results in KC patients
	With autoimmune thyroid disease			Without autoimmune thyroid disease
	Mean	SD	Range	Mean	SD	Range
Thinnest corneal thickness (μm)	512.7	35.1	461, 554	483.0	19.9	466, 506
Highest value on posterior elevation map (μm)	28.7	14.4	8, 47	26.0	10.2	11, 37
Highest value on anterior elevation map (μm)	10.0	4.1	6, 17	9.0	2.9	6, 13
Y-Coordinate (mm)	−0.4	0.3	−0.06, −0.85	−0.7	0.1	−0.55, −0.94
S-I Thickness map (μm)	36.7	22.9	10, 75	27.0	11.2	10, 40
I-S Sagittal map (D)	2.3	1.5	1.3, 4	3.8	2.1	1.9, 5.7
S-I Sagittal map (D)	2.9	0.3	2.6, 3.2	2.8
K-Max (D)	49.0	2.8	46.3, 54.1	47.1	1.5	45.8, 49.1

KC: keratoconus; S-I: superior-inferior; I-S: inferior-superior. Only single value is available.