Figures & data
Table 1 Baseline characteristics of NP vs SC− vs SC+
Figure 1 Health status of NP vs SC− vs SC+ by CAT total score (A), CAT cough and phlegm (B), SGRQ-C total score (C), SGRQ-C domain scores (D), CCQ total score (E), and HADS score (F).
Notes: Data are presented as mean ± SD. One-way ANOVA and post hoc Bonferroni test. *P<0.05 compared to NP.
Abbreviations: CAT, COPD Assessment Test; SGRQ-C, St George’s Respiratory Questionnaire; CCQ, Clinical COPD Questionnaire; HADS, Hospital Anxiety and Depression scale; SC−, sputum producers with a negative culture; SC+, sputum producers with a positive culture; SD, standard deviation; ANOVA, analysis of variance; NP, nonsputum producers.
Abbreviations: CAT, COPD Assessment Test; SGRQ-C, St George’s Respiratory Questionnaire; CCQ, Clinical COPD Questionnaire; HADS, Hospital Anxiety and Depression scale; SC−, sputum producers with a negative culture; SC+, sputum producers with a positive culture; SD, standard deviation; ANOVA, analysis of variance; NP, nonsputum producers.
Table 2 Inflammatory parameters, by peripheral blood collection, of NP vs SP
Figure 2 Microbial etiology of sputum producers with a positive culture.
