Table 4 Independent predictors of length of hospital stay of 7 days or more

Male

1.80 (1.15, 2.82)

0.01*

Age (≥ 70 vs. < 70 years)

1.38 (1.09, 1.75)

0.007*

FEV1% predicted (< 50% vs. ≥ 50%)

2.37 (1.23, 4.54)

0.10*

7.80(2.60, 23.43)

0.0003*

Eosinophil count (≥ 300 vs. < 300 cells/μL)

10.07 (5.98, 16.95)

 < 0.0001*

13.95(4.87, 39.99)

 < 0.0001*

CRP (≥ 7.2 vs. < 7.2 mg/L)

3.92 (2.21, 6.95)

 < 0.0001*

WBC (× 109/L)

1.12 (1.04, 1.20)

0.002*

PLT (× 109/L)

1.01 (1.00, 1.01)

0.0002*

1.01(1.00, 1.01)

0.035*

Neutrophil count (× 109/L)

1.10 (1.02, 1.19)

0.013*

Lymphocyte count (× 109/L)

0.96 (0.78, 1.17)

0.672

Colonization of P. aeruginosa

1.59 (0.75, 3.36)

0.229