Association of serum and vitreous homocysteine and uric acid concentrations with post-vitrectomy prognosis in patients with proliferative diabetic retinopathy

Table 3 Correlation of serum homocysteine, uric acid, and best-corrected visual acuity, superficial capillary plexus within the proliferative diabetic retinopathy group (n = 44)

Variables	Time	Serum Hcy (μmol/L)		Serum UA (μmol/L)
		Pearson	P value	Pearson	P value
BCVA (logMAR)	7 days	-0.029	0.866	-0.079	0.643
	30 days	-0.150	0.474	0.068	0.749
	90 days	-0.046	0.877	0.040	0.893
SCP vessel length density (mm)	7 days	-0.214	0.063	-0.056	0.632
	30 days	-0.116	0.332	-0.154	0.196
	90 days	-0.183	0.115	-0.172	0.141
SCP vessel width density (mm2)	7 days	-0.223	0.053	-0.009	0.936
	30 days	-0.042	0.724	-0.053	0.656
	90 days	-0.126	0.282	-0.170	0.144

Hcy: Homocysteine; UA: Uric acid; BCVA: Best-corrected visual acuity; SCP: Superficial capillary plexus; logMAR: Logarithmic minimum angle of resolution.