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Accuracy of ELABELA colloidal gold test strips.
| Test strip characteristics | Late‐onset PE | Normal |
|---|---|---|
| N | 60 | 60 |
| Single line | 55 | 4 |
| Double line | 5 | 56 |
| Sensitivity and specificity | 91.67% | 91.33% |
Note: The detection limit of the test strip was 20 ng/mL. When the concentration of ELABELA in the sample was higher than 20 ng/mL, the test strip showed a double line. When the concentration of the sample in ELABELA was less than 20 ng/mL, the strip showed a single line.
