. Author manuscript; available in PMC: 2020 Jul 1.

Published in final edited form as: Am J Ophthalmol. 2019 Jan 26;203:103–115. doi: 10.1016/j.ajo.2019.01.012

Table 1.

Demographic data of the 4 study groups.

	Control	NoDR	NPDR	PDR
No. of participants	40	36	38	38
Male / Female	20/20	18/18	18/20	19/19
Mean Age ± SD, years	59.7 ± 7.89	57.69 ± 9.59	58.34 ± 6.81	55.58 ± 5..18
DM Type I / II	NA	2/34	4/34	3/36