Table 5. Cone density and arrangement on AO-SLO vs. photoreceptor status on SD-OCT in eyes with retinitis pigmentosa (0.5 mm from center of the fovea).

	Intact IS ellipsoid	Disrupted IS ellipsoid	P *
Cone density (cones/mm2)	16,784±4,567	13,170±2,715	0.044
Ratio of hexagonal Voronoi domain (%)	40.1±6.2	38.4±4.8	0.479
Average NND/expected NND	0.68±0.04	0.66±0.04	0.276

^*Mann-Whitney U test.

IS: photoreceptor inner segment, NND: nearest-neighbor distance.