Table 4. Multiple Regression Analysis of Associations With Central Foveal Choroidal Thickness for high, moderate and mild myopes.

Variables	High Myopes (n = 269)		Moderate Myopes (n = 431)		−2.00 D~−3.00 D (n = 313)		−2.00 D~−1.25 D (n = 248)		−1.25 D~−0.50 D (n = 287)
	Estimate (95%CI)	p	Estimate (95%CI)	p	Estimate (95%CI)	p	Estimate (95%CI)	p	Estimate (95%CI)	p
Age	−1.656 (−4.445 to 1.132)	0.243	−0.265 (−2.359 to 1.829)	0.804	0.799 (−1.902 to 3.499)	0.561	3.232 (0.516 to 5.949)	0.020	3.476 (1.001 to 5.951)	0.006
Gender	−5.849 (−19.236 to 7.537)	0.390	1.132 (−10.505 to 12.769)	0.849	−5.466 (−20.269 to 9.338)	0.468	−0.086 (−26.006 to 6.267)	0.229	−2.071 (−16.744 to 12.602)	0.781
BMI	1.568 (0.016 to 3.119)	0.048	1.927 (0.346 to 3.508)	0.017	1.472 (−0.540 to 3.483)	0.151	0.818 (−1.248 to 2.885)	0.436	−1.807 (−3.874 to 0.259)	0.086
AL	−13.604 (−22.029 to −5.180)	0.002	−10.408 (−18.149 to −2.667)	0.009	−24.236 (−34.070 to −14.403)	<0.001	−17.043 (−28.365 to −5.722)	0.003	−17.754 (−27.234 to −8.274)	<0.001
Spherical equivalent	5.525 (−0.069 to 11.118)	0.053	1.512 (−8.680 to 11.705)	0.771	−4.072 (−26.606 to 18.463)	0.722	2.250 (−33.224 to 37.723)	0.901	3.550 (−26.396 to 33.497)	0.816
IOP	0.805 (−1.602 to 3.213)	0.511	0.224 (−1.868 to 2.315)	0.834	0.976 (−1.740 to 3.693)	0.480	0.788 (−2.145 to 3.722)	0.529	0.526 (−2.042 to 3.094)	0.687

Adjusted for all variables listed. R² for high myopes: 0.129; R² for moderate myopes: 0.033; R² for −2.00 D~−3.00 D: 0.083; R² for −2.00 D~−1.25 D: 0.062; R² for −1.25 D~−0.50 D: 0.075.

BMI: body mass index; AL: axial length; IOP: intraocular pressure; CI: confidence interval; D: diopter.

High myopia and moderate myopia was defined as spherical equivalent ≤ −5.0 D, −5.0 D < spherical equivalent ≤ −3.0 D, respectively.