Table 2.

OCT: RNFL and macular sublayer thickness results

OCT measurement	aMCI∗	Controls∗	Paired t test P value
RNFL thickness (μm)
Total
Right eye	91.8 ± 11	91.8 ± 11	.99
Left eye	89.3 ± 15	90.2 ± 12	.86
Superior
Right eye	104.8 ± 15	106.9 ± 16	.66
Left eye	105.2 ± 23	105.4 ± 20	.99
Inferior
Right eye	121.2 ± 19	120.4 ± 22	.91
Left eye	118 ± 23	118.8 ± 18	.90
Nasal
Right eye	76 ± 21	72.6 ± 17	.61
Left eye	71.4 ± 18	68.9 ± 21	.72
Temporal
Right eye	65.6 ± 17	67.4 ± 13	.72
Left eye	62.5 ± 15	67.7 ± 17	.32
Macula volume (mm3)
Right eye	8.14 ± 0.58	8.29 ± 0.56	.51
Left eye	8.21 ± 0.51	8.28 ± 0.51	.51
Macula GC-IPL (μm)
Right eye	385 ± 39	390 ± 46	.74
Left eye	287 ± 38	388 ± 45	.93

Abbreviations: OCT, optical coherence tomography; RNFL, retinal nerve fiber layer; aMCI, amnestic mild cognitive impairment; GC-IPL, ganglion cell layer and inner plexiform layer.

^∗n = 16 for right eye and 17 for left eye.