Comparison 2. Endobronchial coils versus medical therapy.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Absolute % change in FEV1 (end of follow‐up, endobronchial coils)	2	146	Mean Difference (IV, Fixed, 95% CI)	10.88 [5.21, 16.54]
2 SGRQ change from baseline (end of follow‐up, endobronchial coils)	3	461	Mean Difference (IV, Fixed, 95% CI)	‐9.14 [‐11.59, ‐6.70]
3 RV change from baseline (L, end of follow‐up, endobronchial coils)	3	461	Mean Difference (IV, Fixed, 95% CI)	‐0.32 [‐0.48, ‐0.17]
4 TLC change from baseline (L, end of follow‐up, endobronchial coils)	2		Mean Difference (IV, Fixed, 95% CI)	Subtotals only
5 RV/TLC change from baseline (end of follow‐up, endobronchial coils)	2	415	Mean Difference (IV, Fixed, 95% CI)	‐3.74 [‐5.16, ‐2.33]
6 6MWD change from baseline (end of follow‐up, endobronchial coils)	3	461	Mean Difference (IV, Random, 95% CI)	30.85 [‐1.05, 62.76]