CRP and bronchopulmonary dysplasia: Compared to infants in the control group, those in the leucocytosis group had lower 1 min Apgar scores (p < 0.001); higher C-reactive protein (p < 0.001) and procalcitonin (p < 0.001); and higher incidences of intracranial haemorrhage (p = 0.007), leukomalacia (p = 0.045), sepsis (p = 0.006), and bronchopulmonary dysplasia (p = 0.017).