Table 3 Predicted cut-offs, with corresponding sensitivity and specificity values, accuracy, and area under the curve (AUC) for the final single and multiple variable models. Bpm = beats per minute
Risk factor(s) in GLM | Results | Existing cut-offs | ||||
|---|---|---|---|---|---|---|
Predicted cut-off | Sensitivity | Specificity | Accuracy | AUC | ||
Birthweight | 1750 g | 65.0% | 74.1% | 0.69 | 0.75 | Low birthweight < 2500 g, Very low birthweight < 1500 g |
Temperature | 36.5 °C | 70.0% | 63.5% | 0.67 | 0.69 | Local guidelines: Normal temperature 35.5 °C - 37.5 °C WHO guidelines: Normal temperature 36.5 °C - 37.5 °C |
Heart rate | 146 bpm | 57.5% | 67.1% | 0.62 | 0.61 | Bradycardia < 107 bpm Tachycardia > 170 bpm |
O2 Saturation | 91% | 33.8% | 81.2% | 0.57 | 0.60 | Cut-offs vary depending on gestational age and altitude. |
Birthweight and temperature | – | 81.3% | 57.6% | 0.70 | 0.76 | – |
Birthweight, temperature, and heart rate | – | 76.3% | 68.2% | 0.72 | 0.77 | – |
Birthweight, temperature, heart rate, and asphyxia | – | 86.3% | 57.6% | 0.72 | 0.78 | – |
Birthweight, temperature, heart rate, asphyxia, and O2 saturation | – | 82.5% | 60.0% | 0.72 | 0.79 | – |