CXCL8 and bronchopulmonary dysplasia: Peak total IL-8 concentration (median No-BPD 3401 pg/ml, inter-quartile range 1587–19080 pg/ml vs BPD 175600 pg/ml, 7064–202700 pg/ml; p = 0.01, Figure 1a) and corresponding IL-877 (No-BPD 144.3 pg/ml, 83.6–552.6 pg/ml vs BPD 2753 pg/ml, 140.1–5668 pg/ml; p = 0.03, Figure 1b) concentration in BALF were significantly higher in the BPD infants compared to No-BPD infants.