Table 4.
Spearman’s rank correlation coefficient of vascular variables with other parameters.
| 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 |
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.
*p < 0.05, **p < 0.01, ***p < 0.001.