Table 4:

Multivariable model for fluoroscopy time

	Ratio	95% CI	p
Anesthesiologist care (versus Operator directed sedation)	1.08	1.06–1.11	<0.0001
CRISP (per 1 unit increase)	1.06	1.06–1.07	<0.0001
Age group category
30 days to 1 year	1.09	1.06–1.13	<0.0001
1 year to 8 years	1.23	1.21–1.26	<0.0001
8 years to 18 years	1	n/a	n/a
≥18 years	1.29	1.26–1.32	<0.0001
Diagnosis category
1	1	n/a	n/a
2	1.43	1.40–1.46	<0.0001
3	1.04	1.00–1.46	0.03
Procedure category
1	1	n/a	n/a
2	1.49	1.45–1.54	<0.0001
3	1.94	1.86–2.03	<0.0001
22q11.2 microdeletion syndrome	1.26	1.20–1.33	<0.0001
Alagille syndrome	1.26	1.12–1.41	0.0001
Trisomy 21	1.05	1.00–1.10	0.04
Trisomy 13	1.20	0.88–1.63	0.25
Trisomy 18	1.30	0.99–1.69	0.06
Turner syndrome	0.81	0.70–0.94	0.006
Williams-Beuren syndrome	1.09	0.99–1.21	0.09
Renal insufficiency	0.86	0.82–0.89	<0.0001
Chronic lung disease	1.07	1.04–1.11	<0.0001
Prior cerebrovascular accident	0.89	0.86–0.91	<0.0001
Pre-procedure inotrope	1.28	1.25–1.32	<0.0001