Research Article
Use of Near-Infrared Spectroscopic Analysis of Second Trimester Amniotic Fluid to Assess Preterm Births
Table 2
Results for the cross-validation of the calibration model and diagnostic statistics.
| | Preterm pregnancies | Control term pregnancies |
| | No. of group | 11 | No. of group | 216 | | Prematurity index (PI) () | 0.77 ± 0.08* | Prematurity index () | 1.00 ± 0.02 | | True positives | 11 | True negatives | 216 | | False negatives | 0 | False positives | 0 | | Sensitivity | 100% | Specificity | 100% | | Positive predictive value | 100% | Negative predictive value | 100% |
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value < 0.001.
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