Peripapillary Bruch’s membrane Opening-Minimum Rim Width (BMO-MRW) and microvascular changes in early diabetic retinopathy

Table 2 Comparison of the BMO-MRW among three groups

	Control group(n = 50)	No-DR group (n = 55)	Mild-DR group(n = 50)	P		P₂	P₃
BMO-MRW (µm)
Average	323.56 ± 40.33	305.78 ± 35.12	299.42 ± 37.33	0.005*	0.017*	0.002*	0.388
Superonasal	361.62 ± 46.22	359.73 ± 49.07	354.70 ± 59.30	0.787
Nasal	336.94 ± 55.50	314.87 ± 70.00	318.18 ± 52.42	0.133
Inferonasal	383.68 ± 45.19	364.22 ± 55.53	363.76 ± 57.84	0.102
Inferotemporal	357.18 ± 60.07	336.62 ± 44.94	332.68 ± 53.39	0.047*	0.049*	0.022*	0.704
Temporal	242.74 ± 55.14	221.82 ± 39.51	223.42 ± 50.42	0.056
Superotemporal	325.16 ± 43.30	308.35 ± 39.72	304.52 ± 45.33	0.039*	0.046*	0.017*	0.648

BMO-MRW: Bruch’s Membrane Opening-Minimum Rim Width; No-DR, patients with diabetes without clinically detectable retinopathy; Mild-DR, patients with diabetes only with microaneurysms
One-way ANOVA: P, one-way analysis of variance followed by post-hoc Bonferroni test; P1,control vs. No-DR group; P2,control vs. Mild-DR group; P3,No-DR group vs. Mild-DR group
*P<0.05 is considered as statically significant

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