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Table 5 Comparison of Mean Absolute Change in Sputum eosinophils (%) and FEV1 (%) between subjects who changed cluster as opposed to those who did not change cluster

From: Phenotyping of difficult asthma using longitudinal physiological and biomarker measurements reveals significant differences in stability between clusters

Flux Period

Patients with no change in cluster

Patients with change in cluster

p-value

Baseline to 3 months N

85

40

 

Absolute change in FEV1(%) Mean (SD)

6.2 (5.6)

12.1 (15.1)

0.02

Absolute change in Eos (%) Mean (SD)

5.9 (6.2)

16.7 (15.1)

<0.01

Baseline to 6 months N

97

28

 

Absolute change in FEV1(%) Mean (SD)

5.6 (6.0)

16.1 (17.0)

<0.01

Absolute change in Eos(%) Mean (SD)

6.1 (7.3)

22.1 (15.9)

<0.01

Baseline to 9 months N

98

27

 

Absolute change in FEV1(%) Mean (SD)

6.6 (5.9)

16.7 (16.0)

<0.01

Absolute change in Eos Mean (SD)

7.9 (8.3)

19.9 (14.3)

<0.01

Baseline to 12 months N

95

30

 

Absolute change in FEV1(%) Mean (SD)

8.3 (7.8)

15.1 (15.1)

0.03

Absolute change in Eos Mean (SD)

7.8 (8.7)

16.3 (14.2)

<0.01