Table 2.
Correlations between the microcirculation of the conjunctiva and retina with systemic variables
| Age (years) | SBP (mmHg) | DBP (mmHg) | HR (bpm) | ||
|---|---|---|---|---|---|
| Retinal Microcirculation | |||||
| Arteriolar BFV (mm/s) | r | 0.39 | 0.34 | 0.22 | 0.18 |
| P | 0.003* | 0.01* | 0.10 | 0.19 | |
| Venular BFV (mm/s) | r | 0.29 | 0.21 | 0.10 | 0.24 |
| P | 0.03* | 0.11 | 0.46 | 0.07 | |
| Arteriolar flow rate (ql/s) | r | 0.27 | 0.17 | 0.10 | 0.003 |
| P | 0.04* | 0.21 | 0.45 | 0.98 | |
| Venular flow rate (ql/s) | r | 0.19 | 0.16 | 0.06 | −0.01 |
| P | 0.15 | 0.24 | 0.68 | 0.94 | |
| Conjunctival Microcirculation | |||||
| BFV (mm/s) | r | −0.23 | 0.03 | 0.06 | 0.13 |
| P | 0.08 | 0.85 | 0.64 | 0.35 | |
| Blood flow rate (ql/s) | r | −0.24 | 0.06 | 0.14 | 0.11 |
| P | 0.07 | 0.64 | 0.29 | 0.42 | |
BFV = blood flow velocity; SBP = systolic blood pressure; DBP = diastolic blood pressure; HR = heart rate; P values < 0.05 are denoted by an asterisk