Alterations of Retinal Pigment Epithelium–Photoreceptor Complex in Patients with Type 2 Diabetes Mellitus without Diabetic Retinopathy: A Cross-Sectional Study

Table 1

Comparison of characteristics between the DM and control groups.

	Patients with DM	Healthy controls	value
Number of eyes (patients)	67 (67)	30 (30)	—
Age (years)	^a	^a	0.601
Male : female	34 : 33	15 : 15	0.560
Duration of DM (years)	4.0 (2.0–9.0)^b	—	—
HbA1c (%)	7.2 (6.6–9.5)^b	^a	<0.001
Axial length (mm)	^a	^a	0.414
BCVA	1.0 (0.7–1.0)^b	0.9 (0.8–1.0)^b	0.963
IOP (mmHg)	^a	^a	0.112

Abbreviations: DM: diabetes mellitus; HbA_1c: hemoglobin A_1c; BCVA: best-corrected visual acuity; IOP: intraocular pressure. ^a. ^bMedian (interquartile range).