Table 2.

Data elements definitions in neonatal prematurity registries and databases.

Date elements	Description
Important registry information	Continent, region, Registry or database name, Acronym, Year of establishment, Resource maintain.
Scope	Nation-wide, Government-wide
Type of Registry	Population or Hospital-based
Important variables	Maternal characteristics: demographic (age, parity, weight, gestational age, ethnicity), society, and economic elements.
	Pregnancy data and information
	Neonate information
	Clinical information
	Administrative information
	Death information