New themes suggested by the external panel by number rated in top 10 in round 2 (n=60)
| Theme | Top 10 count | % |
| Included in final list (≥6 top 10 votes)1 | ||
| Cognitive development | 21 | 35 |
| Economic consequences for family (including stopping/reducing work) and for society | 14 | 23 |
| Longitudinal studies over time looking at changes in care and outcomes | 14 | 23 |
| Parental mental health | 13 | 22 |
| Feeding problems | 9 | 15 |
| Retinopathy of prematurity | 9 | 15 |
| Language development, including multilingual education | 8 | 13 |
| Impact on the organisation of the family and other children in the family | 8 | 13 |
| Chronic lung disease | 8 | 13 |
| Quality improvement initiatives | 7 | 12 |
| Territorial and geographical dispersion/distribution of very preterm births—important for policy and prevention | 7 | 12 |
| Pharmacology/Medication /Pharmacokinetics of drugs | 6 | 10 |
| Microbiome studies | 6 | 10 |
| Role of primary care physicians in care of very preterm children | 6 | 10 |
| Long-term impact of extreme preterm birth on maternal outcomes (eg, later cardiovascular disease and diabetes) | 6 | 10 |
| Not included in final list (<6 top 10 votes)1 | ||
| Minor visual impairments | 5 | 8 |
| Hygiene in the neonatal unit | 5 | 8 |
| Cystic periventricular leukomalacia | 4 | 7 |
| Adolescent pregnancy | 1 | 2 |
| Older paternal age | 0 | 0 |
1; Six corresponds to the lowest ranking theme in the original list of 28 themes.