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Table 5 Mean difference in clinical and health status measures at baseline and after 6 months of follow-up (n = 213)

From: Validation and clinical interpretation of the St George’s respiratory questionnaire for COPD (SGRQ-C) after adaptation to Malaysian language and culture, in patients with COPD

 

Mean Difference (95% CI)

Effect Size

p value

SGRQ-CM

 Symptom

−2.29 (−3.14–1.43)

0.38

< 0.001

 Activity

−1.51 (−2.52–0.48)

0.27

< 0.01

 Impact

−2.03 (−3.0–1.06)

0.35

< 0.001

 Total

−1.73 (−2.62–0.84)

0.30

< 0.001

Spirometry Values

 FEV1/FVC

0.54 (−0.09–1.18)

0.09

0.09a

 FEV1 (%)

0.57 (−0.17–1.31)

0.10

0.13a

  1. a Mean difference is non-significant; FEV1, forced expiratory volume in one second; FVC, Forced vital capacity; FEV1 (%), percentage predicted FEV1; Spirometric data were post-bronchodilator; SGRQ-CM, Malaysian version of St George’s Respiratory COPD specific Questionnaire
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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