Table 4.

Predictors of procedural complications and residual shunt

	RR	95% CI	p Value
Predictors of procedural complications
PFO STAR device	8.8	1.1 to 74.4	0.04
>1 placement attempt	8.5	1.3 to 55.8	0.03
Predictors of significant residual shunt
PFO STAR device	8.4	1.8 to 40.1	0.01
5 mm disc connector with STAR device	6.1	1.1 to 34.0	0.04
Postprocedural shunt at day 1	1.9	1.1 to 3.5	0.04
Device size ⩾30 mm	2.9	0.9 to 9.7	NS
Atrial septal aneurysm	2.3	0.7 to 7.3	NS
Severe shunt at baseline	2.0	0.5 to 8.7	NS

CI, confidence interval; PFO, patent foramen ovale; RR, relative risk.