Fig. 1From: A birth population-based survey of preterm morbidity and mortality by gestational ageThe flowchart of database and enrolled preterm population by gestational age strata and hospital categories. Abbreviations: EPT, extremely preterm; VPT, very preterm; MPT, moderate preterm; LPT, late preterm; ET, early term. For definitions of deaths and other abbreviations see Table 1 legendsBack to article page