The Relation between Body Mass Index and Retinal Photoreceptor Morphology and Microvascular Changes Measured with Adaptive Optics (rtx1) High-Resolution Imaging

Table 1

Overall and group characteristics (n = 47).

	Total	BMI group	Control group
	n (%)	n (%)	n (%)
No. of subjects	47 (100)	28 (59.6)	19 (40.4)
	Mean ± SD	Mean ± SD	Mean ± SD	value
Age (years)	48.9 ± 8.1	45.1 ± 9.7	50.8 ± 6.4	0.065
AL (mm)	23.20 ± 1.03	23.21 ± 0.99	23.12 ± 0.97	0.974
BMI	28.1 ± 4.9	31.1 ± 3.8	23.8 ± 1.2	<0.001

t test; SD: standard deviation; AL: mean axial length; BMI: body mass index.