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. 2020 May 8;20(9):2681. doi: 10.3390/s20092681

Table 4.

Mean and SD of model performance indicators in predicting labor in under or over 7 days using EHG characteristics, obstetric data or a combination of both.

EHG OBSTETRIC EHG+OBSTETRIC
Train Validation Test Train Validation Test Train Validation Test
Accuracy 88.2 ± 4.4 82.6 ± 5.8 76.8 ± 4.1 93.0 ± 4.9 90.9 ± 5.5 74.9 ± 5.2 89.9 ± 4.3 84.0 ± 4.9 80.2 ± 4.5
AUC 92.7 ± 3.7 90.0 ± 4.3 84.4 ± 4.8 94.9 ± 3.9 93.8 ± 4.1 79.6 ± 6.3 94.5 ± 3.1 91.8 ± 3.2 87.1 ± 4.3
F1-Score 88.3 ± 4.3 82.9 ± 6.0 77.1 ± 5.1 93.0 ± 4.9 91.1 ± 5.2 75.4 ± 5.4 89.9 ± 4.2 84.3 ± 5.0 80.3 ± 5.5
Sensibility 89.0 ± 5.2 84.8 ± 9.1 79.4 ± 9.7 94.1 ± 5.6 93.0 ± 6.1 77.7 ± 7.7 90.0 ± 4.8 86.5 ± 7.4 81.6 ± 9.4
Specificity 87.4 ± 5.9 80.4 ± 8.9 74.1 ± 8.3 91.8 ± 5.2 88.8 ± 7.6 72.1 ± 6.2 89.8 ± 6.5 81.5 ± 7.3 78.8 ± 5.8
PPV 87.8 ± 5.1 81.7 ± 7.0 75.9 ± 4.8 92.0 ± 4.9 89.6 ± 6.6 73.6 ± 4.9 90.1 ± 5.7 82.7 ± 5.5 79.6 ± 4.1
NPV 88.9 ± 4.8 84.8 ± 7.9 79.1 ± 6.4 94.1 ± 5.7 92.9 ± 6.0 76.7 ± 6.7 90.1 ± 4.6 86.2 ± 6.3 81.8 ± 7.0