Predictive values of GMs, NPV and PPV, with respect to neurodevelopmental outcome between 18 and 24 months corrected age
| Studies included | Sample size (n) | Participants | Outcome measure and age at outcome | Preterm NPV (%) | Post-term NPV (%) | Preterm PPV (%) | Post-term PPV (%) |
|---|---|---|---|---|---|---|---|
| Stahlmann et al63 | 103 | Preterm infants <1500 g | Motor outcome on the Griffiths Developmental Motor Scale at 20 months | *84 | *89 | ||
| Constantinou et al64 | 102 | Preterm infants <1500 g | Neurological examination and Bayley II scores at 18 months | 90 | *90 | 29 | *41 |
| Spittle et al65 | 94 | Preterm infants <30 weeks | Cognitive outcome on the Bayley III at 2 years | †94 *96 | †14 *35 | ||
| Language outcome on the Bayley III at 2 years | †91 *93 | †14 *35 | |||||
| Motor outcome on the Bayley III at 2 years | †100 *96 | †16 *35 |
*GMs at 3 months post-term, fidgety age.
†GMs at 1 month post-term, writhing age.
Bayley II, Bayley Scales of Infant and Toddler Development—Second Edition; Bayley III, Bayley Scales of Infant and Toddler Development—Third Edition; GM, General Movement; NPV, negative predictive value; PPV, positive predictive value.