Figures & data
Table 1 Characteristics of All Studies Included in Meta-Analysis
Figure 1 PRISMA (preferred reporting items for systematic reviews and meta-analysis) flow diagram.
![Figure 1 PRISMA (preferred reporting items for systematic reviews and meta-analysis) flow diagram.](/cms/asset/73a3b929-331e-4fd5-b469-0fd7f975cc64/dcop_a_12299292_f0001_c.jpg)
Figure 2 Forest plot of FEV1, subgroup analysis was performed according to variable of heart failure and no heart failure.
![Figure 2 Forest plot of FEV1, subgroup analysis was performed according to variable of heart failure and no heart failure.](/cms/asset/f1d0414a-ee15-4062-8ad0-fb178ab31b83/dcop_a_12299292_f0002_c.jpg)
Figure 4 Forest plot of FEV1%, subgroup analysis was performed according to variable of heart failure and no heart failure.
![Figure 4 Forest plot of FEV1%, subgroup analysis was performed according to variable of heart failure and no heart failure.](/cms/asset/c1dcec8e-1150-4360-ba46-5f5e141691f8/dcop_a_12299292_f0004_c.jpg)
Figure 6 Forest plot of FVC, subgroup analysis was performed according to variable of heart failure and no heart failure.
![Figure 6 Forest plot of FVC, subgroup analysis was performed according to variable of heart failure and no heart failure.](/cms/asset/3213400b-40f9-4479-bf21-aada50d0c2bf/dcop_a_12299292_f0006_c.jpg)
Figure 8 Forest plot of 6-minute walking distance (6MWD), subgroup analysis was performed according to variable of heart failure and no heart failure.
![Figure 8 Forest plot of 6-minute walking distance (6MWD), subgroup analysis was performed according to variable of heart failure and no heart failure.](/cms/asset/a36624f3-72fc-4411-b213-116384691e88/dcop_a_12299292_f0008_c.jpg)
Figure 9 Forest plot of adverse events, subgroup analysis was performed according to variable of heart failure and no heart failure.
![Figure 9 Forest plot of adverse events, subgroup analysis was performed according to variable of heart failure and no heart failure.](/cms/asset/91413cc5-8278-4b95-b1eb-ec3639a23f05/dcop_a_12299292_f0009_c.jpg)
Figure 10 Forest plot of IL-6, subgroup analysis was performed according to variable of heart failure and no heart failure.
![Figure 10 Forest plot of IL-6, subgroup analysis was performed according to variable of heart failure and no heart failure.](/cms/asset/511f94ef-b268-4d9c-ad45-c2d1f519f725/dcop_a_12299292_f0010_c.jpg)
Figure 11 Forest plot of IL-8, subgroup analysis was performed according to variable of heart failure and no heart failure.
![Figure 11 Forest plot of IL-8, subgroup analysis was performed according to variable of heart failure and no heart failure.](/cms/asset/39c03b86-6de0-42b2-a80e-b37ee0beeaf0/dcop_a_12299292_f0011_c.jpg)
Figure 12 Forest plot of CRP, subgroup analysis was performed according to variable of heart failure and no heart failure.
![Figure 12 Forest plot of CRP, subgroup analysis was performed according to variable of heart failure and no heart failure.](/cms/asset/c04a0220-e03d-4a98-9a88-dd04c8aee2e9/dcop_a_12299292_f0012_c.jpg)