Mean negative and positive predictive values using GMs at three time points to predict typical or delayed neurodevelopmental outcome in the second year of life
| Time point | Mean NPV | Mean PPV |
|---|---|---|
| Preterm | 90 | 29 |
| 2–7 weeks post-term—writhing | 95 | 15 |
| 8–20 weeks post-term—fidgety | 92 | 47 |
GMs, General Movements; NPV, negative predictive value; PPV, positive predictive value.