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. 2020 Jan 31;99(5):e18936. doi: 10.1097/MD.0000000000018936

Figure 2.

Figure 2

Network of eligible comparisons for mortality at end of follow-up. The width of the lines is proportional to the number of trials comparing every pair of treatments, and the size of every circle is proportional to the number of randomly assigned participants (sample size). ABS = airway bypass; BTVA = bronchoscopic thermal vapor ablation; EBV = endobronchial valve; ELS = emphysematous lung sealant; IBV = intrabronchial valve; LVRC = lung volume reduction coils; MC = medical care; SC = sham control.