Impact level

Low

Medium

High

Very High

p

CAT score

0 - 10

11 - 20

21 - 30

31 - 40

N

19

16

15

2

Cough

1 (0 - 2)

2 (1 - 3)

3 (0 - 4)

3.5 (3 - 4)

0.032

Phlegm

0 (0 - 1)

2 (1 - 2.75)

2 (1 - 4)

4 (3 - 5)

0.003

Chest tightness

0 (0 - 1)

1.5 (0.25 - 3)

3 (2 - 4)

4 (4 - 4)

<0.0001

Breathlessness

1 (0 - 3)

3 (2 - 4)

5 (4 - 5)

5 (5 - 5)

<0.0001

Activity limitations at home

0 (0 - 0)

1.5 (0.25 - 2.75)

4 (3 - 5)

3.5 (3 - 4)

<0.0001

Confidence in leaving the home

0 (0 - 0)

2 (0 - 3)

4 (3 - 5)

4 (4 - 4)

<0.0001

Sleep

0 (0 - 0)

1.5 (0 - 2)

2 (0 - 4)

3 (3 - 3)

0.0002

Energy

0 (0 - 2)

2.5 (2 - 3)

3 (3 - 4)

4.5 (4 - 5)

<0.0001