Table 2.

Multivariable Adjusted Predictors of Catheter Ablation in Hospitalized Patients With Atrial Fibrillation

Characteristic	All Patients N=269,471	Subset* N=246,402
	Adjusted Odds Ratio and 95 % Confidence Interval
Age (per decade over 50 yrs)	0.67 [0.64–0.71]	0.69 [0.64–0.74]
Male	1.0 [0.91–1.2]	0.88 [0.75–1.0]
Insurance
Private	Ref	Ref
Not private	0.73 [0.63–0.85]	0.70 [0.58–0.86]
Other/unknown	0.71 [0.38–1.4]	0.93 [0.45–1.9]
Region
Northeast	Ref	Ref
West	1.4 [1.2–1.8]	1.2 [0.95–1.6]
Midwest	0.84 [0.71–1.0]	0.81 [0.65–1.0]
South	1.3 [1.1–1.5]	1.1 [0.94–1.4]
Hospital bed size
6–99	Ref	Ref
100–199	2.8 [1.6–4.9]	5.0 [2.1–11.5]
200–299	6.8 [4.0–11.7]	10.2 [4.5–21.1]
300–499	11.1 [6.5–19.0]	16.6 [7.4–37.3]
500+	26.1 [15.3–44.5]	40.2 [17.9–90.4]
CHADS2 score (per point increase)	0.74 [0.69–0.79]	0.77 [0.71–0.85]

^*Subset of patients who had no other code for cardiac arrhythmias