Table 2.

Peripapillary VD of different groups

	DON group	NDON group	ANDON group	NC group	P value
Total peripapillary VD (%)	32.18 ± 5.48	52.69 ± 2.48	53.31 ± 2.93	54.26 ± 2.30	< 0.001b
Superior VD (%)	27.80 ± 8.93	53.03 ± 3.49	53.68 ± 3.89	54.50 ± 3.37	< 0.001b
Inferior VD (%)	30.83 ± 7.25	54.73 ± 3.56	55.54 ± 4.43	55.77 ± 3.48	< 0.001b
Nasal VD (%)	30.67 ± 6.74	48.35 ± 3.69	48.64 ± 3.85	50.35 ± 4.00	< 0.001a
Temporal VD (%)	37.83 ± 6.37	54.65 ± 3.72	55.36 ± 3.57	56.49 ± 2.98	< 0.001b

^aANOVA

^bWelch’s ANOVA; P < 0.05, there is significant difference among the groups