Table 4 Spearman’s rank correlation coefficient of vascular variables with other parameters.

From: Association of changes of retinal vessels diameter with ocular blood flow in eyes with diabetic retinopathy

Variables

MBR-vessel

MBR-tissue

TRFI

Age

Duration of disease

DR stage

HbA1c

T-chol

LDL

HDL

TG

SBP

DBP

OPP

HT

DL

External diameter (μm)

0.012

− 0.012

0.036

0.121

0.437

0.074

0.020*

− 0.136

− 0.007

− 0.205

− 0.107

0.038

− 0.058

− 0.020

0.043

0.100

Lumen diameter (μm)

0.185*

0.085

0.195*

0.110*

− 0.012

− 0.288***

0.117

− 0.128

− 0.020

− 0.140

− 0.156

− 0.033

− 0.092

− 0.038

− 0.149

0.009

Wall thickness (μm)

− 0.331***

− 0.172*

− 0.362***

0.042

0.223*

0.587***

0.024

− 0.100

0.062

− 0.181

− 0.002

0.195*

0.081

0.074

0.400***

0.116

Wall to lumen ratio

− 0.337***

− 0.150

− 0.359***

− 0.023

0.191*

0.643***

− 0.066

− 0.032

0.022

− 0.096

0.097

0.166*

0.105

0.069

0.443***

0.085

  1. ED: external diameter; LD: lumen diameter; WT: wall thickness; WLR: wall to lumen ratio; T-chol: total cholesterol; LDL: low density lipoprotein; HDL: high density lipoprotein; TG: triglyceride; SBP: systolic blood pressure; DBP: diastolic blood pressure; OPP: ocular perfusion pressure; HT: hypertension; DL: dyslipidemia.
  2. *p < 0.05, **p < 0.01, ***p < 0.001.
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