Table 2

Systemic and ophthalmological parameters among different fundus tessellation grades

Variables	Fundus tessellation grade				P value*	P trend†	Post-hoc test‡
Variables	Grade 0	Grade 1	Grade 2	Grade 3	P value*	P trend†	Post-hoc test‡
Systemic parameters
Age, years	10.26±0.62	10.31±0.56	10.32±0.65	10.33±0.49	0.399	0.451	–
Boys, n (%)	245 (45.7)	213 (49.8)	66 (51.6)	18 (51.4)	0.480	0.140	–
Height, cm	143.43±7.29	143.16±7.38	142.50±7.40	143.67±9.66	0.619	0.992	–
Weight, kg	39.19±9.34	38.86±9.66	37.65±8.49	39.74±12.84	0.392	0.928	–
Body mass index, kg/cm²	18.88±3.41	18.77±3.45	18.39±3.12	18.79±3.76	0.549	0.721	–
Ophthalmological parameters
Spherical equivalent, dioptre	−1.42±0.66	−1.45±0.71	−1.53±0.70	−1.40±0.72	0.378	0.899	–
Axial length, mm	24.04±0.71	24.20±0.70	24.50±0.82	24.48±0.70	<0.001	<0.001	Grade 0/1<2/3
Corneal radius of curvature, mm	7.77±0.24	7.83±0.24	7.95±0.26	7.97±0.25	<0.001	<0.001	Grade 0/1<2/3
Axial length/corneal radius of curvature	3.10±0.07	3.10±0.07	3.08±0.06	3.07±0.07	0.059	0.030	–
Macular choroidal thickness, μm	234.07±40.13	205.04±33.24	179.28±29.95	154.15±22.70	<0.001	<0.001	Grade 0/1>2/3
Macular retinal thickness, μm	278.70±11.03	274.80±11.00	271.54±12.40	273.34±7.95	<0.001	0.001	Grade 0>1/2/3
Subfoveal choroidal thickness, μm	250.83±51.29	216.96±42.24	187.00±38.21	159.12±27.82	<0.001	<0.001	Grade 0/1>2/3
Foveal retinal thickness, μm	232.56±16.48	230.48±16.87	229.70±15.41	231.48±15.20	0.152	0.653	–

P values < 0.05 were in bold.
*Analysis of variance or χ² test to compare systemic or ophthalmological parameters in groups with different fundus tessellation grades.
†P trend was acquired by trend test.
‡Post-hoc tests among tessellation groups were conducted with Student-Newman-Keuls method.