Table 4 Factors associated with the incidence rate of mild exacerbation^* in bronchiectasis patients

H. influenzae colonization^†

1.63 [1.08–2.44]

0.019

1.54 [1.06–2.24]

0.023

P. aeruginosa colonization^†

2.04 [1.38–3.03]

< 0.001

1.70 [1.12–2.56]

0.012

Bacteria other than H. influenzae and P. aeruginosa colonization

1.90 [1.27–2.84]

0.002

1.31 [0.86–1.99]

0.208

BMI (kg/m²)

0.93 [0.88–0.99]

0.023

0.96 [0.91–1.02]

0.190

Chronic obstructive pulmonary disease

1.85 [1.18–2.91]

0.008

1.03 [0.67–1.58]

0.896

Asthma

1.71 [1.02–2.86]

0.041

1.77 [1.10–2.85]

0.019

Hospitalization history within two years

2.25 [1.22–4.14]

0.009

1.52 [0.86–2.66]

0.148

Involvement ≥ 3 lobes

2.50 [1.69–3.68]

< 0.001

1.72 [1.14–2.57]

0.009