Article Text
Statistics from Altmetric.com
Footnotes
Twitter Follow John Zupancic at @johnzupancic
Competing interests None declared.
Provenance and peer review Commissioned; internally peer reviewed.
↵i Search of http://www.pubmed.gov on 12 March 2015 using the following parameters:
1. ‘moderately preterm’ [ti] OR ‘late preterm’ [ti] OR ‘moderately premature’ [ti] OR ‘late premature’ [ti]
2. ‘extremely low birth weight’ [ti] OR ‘very low birth weight’ [ti] OR ‘ELBW’ [ti] OR ‘VLBW’ [ti] OR ‘extremely premature’ [ti] OR ‘very premature’ [ti] OR ‘extremely preterm’ [ti] OR ‘very preterm’ [ti]
↵ii Calculated using modelled cost estimates from table 5 in Ref. 5, and population data from Table E in Ref. 1. Costs converted from 2006 pounds to 2006 US dollars using Purchasing Power Parity,6 and to 2013 currency using Producer Price Index.7