Table 4.

Choroidal thickness, vessel diameter, and ratio characteristics according to comparison of locations in the fovea

	Comparison of locations	Normal subjects				Highly myopic subjects
		Mean difference	95% CI		pvalue	Mean difference	95% CI		pvalue
			Lower bound	Upper bound			Lower bound	Upper bound
Mean CTh	Foveal × supra-foveal	−27.9	−47.5	−8.4	0.006	−25.0	−64.4	14.4	0.206
	Foveal × infra-foveal	−30.6	−50.6	−10.6	0.003	−11.5	−50.9	27.9	0.557
	Supra-7foveal × infra-foveal	−2.7	−23.5	18.2	0.800	13.5	−25.9	52.9	0.492
Mean VD	Foveal × supra-foveal	−25.1	−39.6	−10.5	0.001	−22.2	−47.6	3.2	0.085
	Foveal × infra-foveal	−10.5	−25.3	4.3	0.162	−9.8	−35.1	15.6	0.440
	Supra-foveal × infra-foveal	14.6	−0.9	30.1	0.065	12.4	−13.0	37.8	0.328
Mean ratio	Foveal × supra-foveal	−0.048	−0.119	0.022	0.176	0.026	−0.026	−0.026	0.253
	Foveal × infra-foveal	0.028	−0.044	0.100	0.446	0.016	−0.010	−0.010	0.482
	Supra-foveal × infra-foveal	0.076	0.001	0.151	0.057	−0.016	−0.062	0.030	0.482

Supra-foveal is defined as 2 mm superiorly to the fovea; infra-foveal is defined as 2 mm inferiorly to the fovea.