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. 2014 Mar 12;9(3):e91830. doi: 10.1371/journal.pone.0091830

Figure 5. Forest plot comparing CHM plus RP group (Test) to RP group (Control) in terms of 6MWT/D (meters) in stable COPD at end of treatment.

Figure 5

Legend: CHM: Chinese Herbal Medicine, RP: routine pharmacotherapy, SD: standard deviation, CI: confidence interval, Salm./Flu.: salmeterol/fluticasone (inhaled), Theo.(+p.r.): oral theophylline (plus pulmonary rehabilitation), Muc.: Mucosolvan (oral), LABAs: long-acting β2 agonists (inhaled), Ami./Bro./Chlo.: compound oral medication which contained aminophylline, bromhexine and chlorphenamine, Ipra.: ipratropium (inhaled), oxy.: oxygen therapy, Salb./Ipra.: salbutamol/ipratropium (inhaled), exe.: pulmonary exercise, RP (guidelines): routine pharmacotherapy (adjusted for severity according to guidelines), RP(+p.r.): routine pharmacotherapy (pharmacotherapy plus pulmonary rehabilitation).