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).
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.
![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).](/cms/asset/e05693dd-dc97-4c0a-b73d-26500a85fc0f/dcop_a_117079_f0001_b.jpg)
Table 2 Inflammatory parameters, by peripheral blood collection, of NP vs SP