Comparison of Corneal Parameters of Children with Diabetes Mellitus and Healthy Children

Table 2

A comparison of corneal parameters between 50 children with diabetes mellitus and 46 normal controls enrolled in this study.

Corneal parameters	Case group (n = 50)	Control group (n = 48)	Statistics
Steep corneal curvature (D)	43.27 ± 1.37	43.21 ± 1.66	t^† = 0.193	0.848
Flat corneal curvature (D)	42.16 ± 1.31	42.06 ± 1.57	t = 0.358	0.721
Astigmatism (D)	1.11 ± 0.53	1.15 ± 0.52	t = −0.397	0.692
Eccentricity (D)	0.62 ± 0.09	0.63 ± 0.10	t = −0.615	0.540
Corneal aspherical coefficient	−0.39 ± 0.11	−0.41 ± 0.12	Z^‡ = −0.446	0.656
Central corneal thickness (μm)	562.27 ± 28.48	573.40 ± 32.94	t = −2.405	0.018
Corneal diameter (mm)	12.09 ± 0.41	11.66 ± 1.92	Z = −1.077	0.281
Corneal curvature R1 (D)	42.09 ± 1.80	42.04 ± 1.52	t = 0.131	0.896
Corneal curvature R2 (D)	43.12 ± 1.86	43.32 ± 1.68	t = −0.499	0.619
Intraocular pressure (mmHg)	18.21 ± 3.53	18.42 ± 2.61	Z = −0.402	0.688
Pupil diameter (mm)	5.46 ± 2.60	6.48 ± 2.34	Z = −1.941	0.052

^†t = Student’s t test. ^‡Z = Mann–Whitney nonparametric test.