Comparison 2. Atherectomy +/‐ bailout stenting versus primary stenting.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
2.1 Mortality	1	155	Risk Ratio (M‐H, Random, 95% CI)	0.38 [0.04, 3.23]
2.1.1 Plain balloon plus stent	1	79	Risk Ratio (M‐H, Random, 95% CI)	0.63 [0.03, 14.99]
2.1.2 Drug‐eluting balloon plus stent	1	76	Risk Ratio (M‐H, Random, 95% CI)	0.24 [0.01, 4.51]
2.2 Cardiovascular events	1	155	Risk Ratio (M‐H, Random, 95% CI)	0.38 [0.04, 3.23]
2.2.1 Plain balloon plus stent	1	79	Risk Ratio (M‐H, Random, 95% CI)	0.63 [0.03, 14.99]
2.2.2 Drug‐eluting balloon plus stent	1	76	Risk Ratio (M‐H, Random, 95% CI)	0.24 [0.01, 4.51]
2.3 Initial technical failure rates	1	155	Risk Ratio (M‐H, Random, 95% CI)	Not estimable
2.3.1 Plain balloon plus stent	1	79	Risk Ratio (M‐H, Random, 95% CI)	Not estimable
2.3.2 Drug‐eluting balloon plus stent	1	76	Risk Ratio (M‐H, Random, 95% CI)	Not estimable
2.4 Target vessel revascularisation at 6 months	1	155	Risk Ratio (M‐H, Random, 95% CI)	2.27 [0.95, 5.46]
2.4.1 Plain balloon plus stent	1	79	Risk Ratio (M‐H, Random, 95% CI)	1.93 [0.61, 6.08]
2.4.2 Drug‐eluting balloon plus stent	1	76	Risk Ratio (M‐H, Random, 95% CI)	2.86 [0.74, 11.06]
2.5 Target vessel revascularisation at 24 months	1	155	Risk Ratio (M‐H, Random, 95% CI)	2.05 [0.96, 4.37]
2.5.1 Plain balloon plus stent	1	79	Risk Ratio (M‐H, Random, 95% CI)	1.47 [0.85, 2.56]
2.5.2 Drug‐eluting balloon plus stent	1	76	Risk Ratio (M‐H, Random, 95% CI)	3.18 [1.44, 7.03]
2.6 Complication rate	1	155	Risk Ratio (M‐H, Random, 95% CI)	7.04 [0.80, 62.23]
2.6.1 Plain balloon plus stent	1	79	Risk Ratio (M‐H, Random, 95% CI)	9.46 [0.47, 190.41]
2.6.2 Drug‐eluting balloon plus stent	1	76	Risk Ratio (M‐H, Random, 95% CI)	5.07 [0.21, 120.38]
2.7 Amputation	1	155	Risk Ratio (M‐H, Random, 95% CI)	Not estimable
2.7.1 Plain balloon plus stent	1	79	Risk Ratio (M‐H, Random, 95% CI)	Not estimable
2.7.2 Drug‐eluting balloon plus stent	1	76	Risk Ratio (M‐H, Random, 95% CI)	Not estimable