Table 2 Correlation between AL and the choroidal parameters in the two study groups.

	r	95% CI	R²	p-value
Celiac group (74 patients)
AL-CT	− 0.31	− 0.51 to − 0.09	0.10	0.007^a
AL-TSA	− 0.37	− 0.55 to − 0.16	0.14	0.001^a
AL-LSA	− 0.36	− 0.54 to − 0.14	0.13	0.002^a
AL-SSA	− 0.32	− 0.51 to − 0.09	–	0.006^b
AL-CVI	+ 0.03	− 0.20 to + 0.25	0.00062	0.833^a
Healthy group (67 patients)
AL-CT	− 0.35	− 0.54 to − 0.12	0.12	0.004^a
AL-TSA	− 0.37	− 0.56 to − 0.14	0.13	0.002^a
AL-LSA	− 0.37	− 0.56 to − 0.14	0.13	0.002^a
AL-SSA	− 0.32	− 0.52 to − 0.08	0.10	0.009^a
AL-CVI	+ 0.06	− 0.18 to + 0.30	0.0035	0.635^a

r correlation coefficient, 95% CI 95% confidence interval, R² determination coefficient, AL axial length, CT choroidal thickness, TSA total subfoveal area, LSA luminal subfoveal area, SSA stromal subfoveal area, CVI choroidal vascularity index.
^aPearson correlation.
^bSpearman correlation.

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