TABLE 2

Sputum sample bacterial diversity and phyla for adults with neutrophilic and non-neutrophilic asthma

NeutrophilicNon-neutrophilicp-value
Subjects720
Shannon index1.1 (0.9, 4.2)3.8 (3.4, 4.2)0.010
Simpson index0.3 (0.3, 0.9)0.9 (0.8, 0.9)0.035
Bacteria phyla
 Actinobacteria3.8 (0.2, 3.1)4.0 (2.1, 6.7)0.019
 Bacteroidetes2.3 (1.1, 26.7)14.9 (8.4, 22.8)0.092
 Firmicutes7.8 (3.1, 25.7)35.8 (27.5, 41.8)0.009
 Fusobacteria0.5 (0.3, 3.8)3.7 (2.3, 7.8)0.103
 Proteobacteria88.0 (25.1, 92.0)38.0 (21.1, 43.1)0.046
  • Data are presented as n or median (quartile 1, quartile 3), unless otherwise stated.