Table 7.

Odds ratios (95% CI) of stroke, death or MI within 30 days

			Patient Model Only		Patient (Age) + Operator Characteristics
		Univariate	Multivariable	Most parsimonious	Multivariable	Most parsimonious
Patient*	Age >75	2.74 (1.66–4.51)	3.44 (1.91–6.20)	2.74 (1.66–4.51)	2.56 (1.54–4.26)	2.62 (1.59–4.33)
	Race (white)	1.02 (0.42–2.45)	1.09 (0.39–3.00)
	Sex (Male)	0.88 (0.55–1.43)	0.93 (0.54–1.59)
	Symptomatic status (sympt)	1.31 (0.77–2.24)	1.40 (0.80–2.44)
	Diabetes	1.42 (0.91–2.21)	1.49 (0.89–2.49)
	Hypertension	1.26 (0.62–2.55)	1.47 (0.65–3.33)
	Dyslipidemia	0.73 (0.41–1.28)	0.72 (0.38–1.35)
	Current Smoker	1.52 (0.74–3.11)	0.90 (0.45–1.82)
	Eccentric lesion	0.96 (0.64–1.46)	1.17 (0.75–1.83)
	Ulcerated lesion	0.83 (0.52–1.32)	0.63 (0.34–1.17)
	CABG	1.06 (0.59–1.90)	1.11 (0.61–2.02)
	Stenosis ≥ 80%	0.86 (0.57–1.31)	0.78 (0.48–1.28)
	Lesion length ≥ 16	1.10 (0.70–1.73)	1.18 (0.68–2.02)
			Operator Model Only
		Univariate	Multivariable	Most parsimonious
Operator	Total procedures performed in Lead–in (tertiles)	1.83 (1.05–3.19)	1.57 (0.92–2.69)		1.46 (0.85–2.53)
	16–35 (26 operators)	0.88 (0.48–1.62)	0.84 (0.45–1.58)		0.81 (0.44–1.52)
	9–15 (43 operators)	reference	reference		Reference
	1–8 (114 operators)
	Specialty
	Neurosurgery	1.80 (0.72–4.47)	1.80 (0.84–3.86)	1.80 (0.72–4.47)	1.69 (0.76–3.74)	1.66 (0.66–4.16)
	Vascular surgery	2.09 (1.21–3.61)	1.95 (1.19–3.20)	2.09 (1.21–3.61)	1.96 (1.19–3.24)	2.05 (1.18–3.56)
	Interventional radiology	1.70 (0.93–3.13)	1.60 (0.86–2.99)	1.70 (0.93–3.13)	1.57 (0.83–2.97)	1.66 (0.89–3.08)
	Neuroradiology	0.40 (0.14–1.18)	0.43 (0.13–1.35)	0.40 (0.14–1.18)	0.41 (0.13–1.30)	0.39 (0.13–1.15)
	Cardiology	reference	reference	reference	reference	reference