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

Table 2 Correlation analysis of vitreous homocysteine and uric acid, and serum indicators within the proliferative diabetic retinopathy group (n = 44)

Serum variables	Vitreous Hcy		Vitreous UA
	Pearson	P value	Pearson	P value
FBG (mmol/L)	-0.108	0.492	-0.135	0.338
HbA1c (%)	0.049	0.759	0.097	0.542
Hcy (μmol/L)	0.554	< 0.001a	0.472	0.001a
UA (μmol/L)	0.157	0.309	0.480	< 0.001a
BUN (mmol/L)	0.496	< 0.001a	0.591	< 0.001a
Crea (μmol/L)	0.570	< 0.001a	0.552	< 0.001a
eGFR (mL/minute/m2)	-0.521	< 0.001a	-0.588	< 0.001a
CysC (mg/L)	0.584	< 0.001a	0.530	< 0.001a
UACR (mg/g)	0.318	0.071	0.407	0.019a

^aP < 0.05.

Hcy: Homocysteine; UA: Uric acid; FBG: Fasting blood glucose; HbA1c: Hemoglobin A1c; BUN: Blood urea nitrogen; Crea: Creatinine; eGFR: Estimated glomerular filtration rate; UACR: Urinary albumin-to-creatinine ratio; CysC: Cystatin C.