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Table 4 Wilcoxon T-test for four sections of the questionnaire

From: A pilot survey on the quality of life in respiratory rehabilitation carried out in COPD patients with severe respiratory failure: preliminary data of a novel Inpatient Respiratory Rehabilitation Questionnaire (IRRQ)

Section

Item number

Rank sum

p-value

What symptoms have you got?

   

 Negative

3

22.00

<0.01

 Positive

21

278.00

 

 Ties

5

  

 Total

29

  

How do you live?

   

 Negative

4

14.00

<0.01

 Positive

18

239.00

 

 Ties

4

  

 Total

26

  

My mood

   

 Negative

5

43.00

0.01

 Positive

19

257.00

 

 Ties

3

  

 Total

27

  

How important is this to you?

   

 Negative

11

94.00

0.23

 Positive

10

137.00

 

 Ties

2

  

 Total

23

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