Risk adjusted average number of hospital days during FHE.^a

<p>A confidence interval: 95%.</p><p>^a The first hospital episode (FHE) starts at the day of birth and includes all continuous hospital days, including transfers between different hospitals.</p><p>Risk adjusted average number of hospital days during FHE.<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0131685#t005fn002" target="_blank">^a</a></p

Risk adjusted average number of hospital days during the first year of life.^a

<p>A confidence interval: 95%.</p><p>^a Figs include all hospital days, not necessarily continuous.</p><p>Risk adjusted average number of hospital days during the first year of life.<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0131685#t006fn002" target="_blank">^a</a></p

Unadjusted mortality rates (%) within 30 days: by gestational age.

<p>^a For the >32 weeks category, figs for the Netherlands were too small to be reported for two of the gestational age groupings.</p><p>^b Only linkable infants included.</p><p>Unadjusted mortality rates (%) within 30 days: by gestational age.</p

Risk adjusted mortality rates at 30 days and at 1 year.

<p>^aAdjusted for gestational age (GA), sex, intrauterine growth (small for gestational age), Apgar score at five minutes, parity and multiple births. A confidence interval: 95%.</p

Unadjusted mortality rates (%) within 365 days: by gestational age.

<p>^a For the >32 weeks category, figs for the Netherlands were too small to be reported for two of the gestational age groupings.</p><p>^b Only linkable infants included.</p><p>Unadjusted mortality rates (%) within 365 days: by gestational age.</p

Number and proportion of VLBW and VLGA infants among live-born infants in EuroHOPE data.

<p>^aThe Netherlands: 2006–2007, Norway: 2008–2009</p><p>^bThe European Perinatal Health Report 2008 is based on data from 2004, incidence figs are per 100 live-born infants</p><p>^cThe linkage is between MBR and Cause of Death Registry. The linkage with the HDR for LoS analysis was 65%</p><p>^dThe linkage is between MBR and Cause of Death Registry. The linkage with the HDR for LoS analysis was 58%</p><p>Number and proportion of VLBW and VLGA infants among live-born infants in EuroHOPE data.</p