. 2014 Oct 30;3(6):e001006. doi: 10.1161/JAHA.114.001006

Table 8.

Association of AF With Inpatient (MedPAR) and Outpatient Healthcare Utilization Among Propensity Score–Matched Atherosclerosis Risk in Communities Study Participants

	AF (n=354)	No AF (n=354)	Rate Ratio
Follow‐up, years (mean±SD)	4.3±3.7	4.1±3.6
Inpatient (MedPAR) utilization, days
Per person, median (IQR)^*	7 (0 to 25)	0 (0 to 6)	3.87(2.77 to 5.42)
Rate^*	8.7 (7.1 to 10.7)	2.3 (1.7 to 3.1)	3.87(2.77 to 5.42)
Outpatient utilization^*
Per person, median (IQR)^*	128 (47 to 226)	43 (12 to 108)	2.18 (1.89 to 2.50)
Rate^*	47.1 (43.3 to 51.3)	21.8 (19.5 to 24.3)	2.18 (1.89 to 2.50)

AF indicates atrial fibrillation; IQR, interquartile range; MedPAR, Medicare Provider Analysis and Review.

During follow‐up.

Rate per year.

Outpatient utilization defined as unique claims per date of service.