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. Author manuscript; available in PMC: 2017 May 4.
Published in final edited form as: Pediatr Res. 2016 Nov 4;81(2):384–390. doi: 10.1038/pr.2016.232

Figure 1. Tree diagrams depicting categorization of infants.

Figure 1

Infants were partitioned by A) chorio and funisitis diagnosis and B) BPD diagnosis. Mild BPD is oxygen use of <30% at 36 weeks and severe BPD is oxygen use >30% and other ventilator support.