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Table 4 Correlation of All COPD Subject (n = 98) Symptom Scores vs. Sputum Metrics

From: Measurement of C-reactive protein, procalcitonin and neutrophil elastase in saliva of COPD patients and healthy controls: correlation to self-reported wellbeing parameters

 

Symptom Scores

Sputum Metrics

Breathing Score

ADL Score

MRC Score

Amount

r = 0.34, p < 0.001

r = 0.34, p < 0.001

r = 0.24, p < 0.001

Texture

r = 0.07, p < 0.24

r = 0.24, p < 0.001

r = 0.31, p < 0.001

Colour

r = 0.26, p < 0.001

r = 0.19, p < 0.001

r = 0.28, p < 0.001

  1. COPD = Chronic Obstructive Pulmonary Disease; FEV1 = Forced Expiratory Volume in 1 s; MRC = Medical Research Council; ADL = Activity of Daily Living; CRP = C-Reactive Protein; PCT = Procalcitonin; NE = Neutrophil Elastase. Data are presented as the Spearman’s correlation coefficient: r value
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Respiratory Research

ISSN: 1465-993X

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