Table 4

Spearman’s correlations between adjusted very preterm mortality and rates of individual morbidities, adjusted for GA, in 16 European regions, all births <32 weeks of GA and by GA subgroups

<28 weeks' GA28–31 weeks' GATotal <32 weeks' GA
rhoP valuerhoP valuerhoP value
IVH grade III/IV0.380.150.430.100.69<0.01
ROP stage 3+0.080.75−0.010.980.140.61
Severe NEC−0.450.080.260.33−0.270.31
Severe BPD0.110.71−0.470.09−0.110.70
  • BPD, bronchopulmonary dysplasia; cPVL, cystic periventricular leukomalacia; GA, gestational age; IVH, intraventricular haemorrhage; NEC, necrotizing enterocolitis; ROP, retinopathy of prematurity.