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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