Table 2. Endothelial-biomarkers are associated with retinopathy in a cohort of children with cerebral malaria (CM).
AUROC CM-R vs CM-N | p-value | Cutoff | Sensitivity (95%CI) | Specificity (95%CI) | Positive likelihood ratio (95% CI) | Negative likelihood ratio (95% CI) | |
Ang-1 | 0.64 (0.51–0.78) | 0.046 | 3.2 | 68 (53–81) | 44 (28–62) | 1.2 (0.84–1.8) | 0.70 (0.38–1.3) |
Ang-2 | 0.77 (0.65–0.89) | <0.0001* | 6.2 | 71 (55–83) | 72 (54–85) | 2.6 (1.4–4.8) | 0.40(0.23–0.69) |
Ang-2:Ang-1 | 0.74 (0.60–0.87) | 0.001* | 2.0 | 74 (58–85) | 66 (47–80) | 2.1 (1.3–3.7) | 0.40 (0.22–0.73) |
sTie-2 | 0.83 (0.73–0.93) | <0.0001* | 56 | 74 (58–85) | 72 (54–85) | 2.7 (1.4–5.0) | 0.36 (0.20–0.65) |
VWF propeptide | 0.71 (0.58–0.85) | 0.005* | 51 | 76 (61–87) | 62 (44–77) | 2.0 (1.2–3.3) | 0.38 (0.20–0.72) |
VWF | 0.58 (0.42–0.73) | 0.305 | 310 | 68 (53–81) | 58 (41–74) | 1.7 (1.0–2.7) | 0.54 (0.31–0.94) |
sICAM-1 | 0.73 (0.59–0.86) | 0.006* | 1000 | 71 (55–83) | 69 (51–83) | 2.3 (1.3–4.1) | 0.42 (0.24–0.73) |
VEGF | 0.65 (0.52–0.79) | 0.040 | 0.25 | 74 (58–85) | 58 (39–74) | 1.7 (1.1–2.8) | 0.46(0.24–0.85) |
IP-10 | 0.58 (0.43–0.73) | 0.312 | 0.71 | 66 (50–79) | 54 (36–70) | 1.4 (0.90–2.2) | 0.64 (0.37–1.1) |
Median (range), Mann-Whitney U test;
*p<0.05 after Holms correction for 9 pair-wise comparisons;
CM-R: Cerebral malaria, retinopathy positive
CM-N: Cerebral malaria, retinopathy negative, AUROC: Area under the receiver operating characteristic curve.