Table 4 ROC curve and corresponding optimal cutoff point of vessel density for discriminating the presence of DR in DM patients.
From: Vulnerable parafoveal microcirculation quadrant in patients with type 2 diabetes mellitus
Region | AUC | 95% CI | p value | Optimal cutoff point (%) | Sensitivity (%) | Specificity (%) | |
|---|---|---|---|---|---|---|---|
Parafoveal superficial VD | 0.581 | (0.428–0.723) | 0.454 | ≤ 41.96 | 36.4 | 83.3 | |
Sectoral VD of parafoveal superficial region | T | 0.601 | (0.448–0.741) | 0.318 | ≤ 39.09 | 27.3 | 97.2 |
S | 0.639 | (0.486–0.774) | 0.152 | ≤ 50.09 | 90.9 | 38.9 | |
N | 0.505 | (0.355–0.654) | 0.964 | ≤ 48.68 | 54.6 | 22.2 | |
I | 0.566 | (0.413–0.710) | 0.532 | ≤ 42.89 | 45.5 | 72.2 | |
Parafoveal deep VD | 0.687 | (0.535–0.814) | 0.048* | ≤ 45.81 | 36.4 | 94.4 | |
Sectoral VD of parafoveal deep region | T | 0.697 | (0.546–0.822) | 0.035* | ≤ 51.86 | 81.8 | 52.8 |
S | 0.631 | (0.478–0.767) | 0.199 | ≤ 45.54 | 36.4 | 88.9 | |
N | 0.600 | (0.447–0.740) | 0.283 | ≤ 51.19 | 63.6 | 58.3 | |
I | 0.682 | (0.530–0.810) | 0.050 | ≤ 50.75 | 90.9 | 41.7 | |
