Hypothyroidism is Not Associated with Keratoconus Disease: Analysis of 626 Subjects

Table 1

Serum thyroid hormones: FT4 (pmol/L), FT3 (pmol/L), and TSH (mE/L) measured in different disease groups.

Disease group	FT4	FT3	TSH
1. Euthyroid without keratoconus (n = 83)	1.20 ± 0.14	3.32 ± 0.42	1.50 ± 0.62
	1.18; 0.22	3.30; 0.60	1.48; 0.83
2. Euthyroid with keratoconus (n = 375)	1.20 ± 0.13	3.45 ± 0.45	1.64 ± 0.57
	1.19; 0.21	3.4; 0.50	1.63; 0.85
3. Hypothyroid without keratoconus (n = 69)	1.38 ± 0.27	3.11 ± 0.47	2.17 ± 1.74
	1.36; 0.34	3.00; 0.70^a	1.67; 2.43
4. Hypothyroid with keratoconus (n = 86)	1.29 ± 0.21	3.41 ± 0.46	2.72 ± 1.48
	1.25; 0.24	3.40; 0.50	3.10; 2.20

Values represent the mean ± standard deviation or the median; interquartile range, as indicated. ^aFor this group, n = 65.