TABLE 3

Inflammatory markers detected in bronchoalveolar lavage at annual review by age group

<2 years2–5 years>5 years
MelbournePerthMelbournePerthMelbournePerth
Samples18316022423382136
Total cell count ×106 mL−11.75 (0.68–3.42)1.57 (0.85–2.49)3.95 (2.25–6.63)3.72 (2.42–5.67)4.75 (2.33–8.13)4.31 (2.56–7.52)
IL-8 concentration ×102 pg·mL−16.6 (2.8–18.1)6.7 (2.2–13.4)14.8 (4.6–33.9)12.3 (3.8–31.1)12.8 (7.0–23.4)13.3 (5.4–26.5)
Detectable NE activity51/180 (28)18/155 (12)77/223 (34)52/215 (24)27/82 (35)52/128 (41)
NE concentration ×102 ng·mL−15.2 (2.7–21.6)16.7 (4.0–28.3)16.1 (4.9–3.4)25.5 (10.7–40.0)22.9 (14.8–28.4)19.6 (7.9–41.4)
  • Data reported as n, median (interquartile range) or n/N (%), unless otherwise stated. IL-8: interleukin-8; NE: neutrophil elastase.