Table 2.

Mean Fiber Density and Attenuation Coefficients in PXE Patients and Controls, as Calculated using the OCT Attenuation Coefficient Software. All differences were statistically significant, except in the left axillary region.

	Retrocervical fold		Left lateral cervical fold		Left axillary fold		Periumbilical fold
	Mean density	Mean attenuation	Mean density	Mean attenuation	Mean density	Mean attenuation	Mean density	Mean attenuation
Cases	59.29	0.0026	62.82	0.0025	63.15	0.0026	62.21	0.0024
Controls	71.53	0.0019	71.35	0.0019	70.33	0.0024	72.90	0.0021
Cases/Controls Ratio	82.89	138.21	88.04	132.40	89.79	107.55	85.34	114.53
P-value	0.00	0.00	0.01	0.00	0.19	0.12	0.00	0.05