Skip to main content

Table 2 Agreement between SGRQ and the CCQ based on the new GOLD classification of the CCQ cutoff value

From: The cutoff point of clinical chronic obstructive pulmonary disease questionnaire for more symptomatic patients

 

CCQ < 1

CCQ ≥1

SGRQ < 25

11

27

SGRQ ≥25

2

83

Agreement: 76.42%; kappa value, 0.33

 

CCQ < 1.4

CCQ ≥1.4

SGRQ < 25

23

15

SGRQ ≥25

7

78

Agreement: 82.11%; kappa value, 0.56

 

CCQ < 0.7

CCQ ≥0.7

SGRQ < 25

8

30

SGRQ ≥25

0

85

Agreement: 75.61%; kappa value, 0.27

  1. Abbreviations: CCQ Clinical Chronic Obstructive Pulmonary Disease Questionnaire, GOLD Global Initiative for Chronic Obstructive Lung Disease, SGRQ St. George’s Respiratory Disease Questionnaire
Back to article page

BMC Pulmonary Medicine

ISSN: 1471-2466

Contact us