Table 1.

Distribution of Facilities and Patients by Facility Type

	Facilities (N = 3,601)		Patients (N = 34,914)
Facility TypeChains*	No.	%	No.	%
FP Chain 1	1,075	29.9	10,763	30.8
FP Chain 2	544	15.1	5,284	15.1
FP Chain 3	583	16.2	5,673	16.3
FP Chain 4	383	10.6	3,419	9.8
NP Chain 5	181	5.0	1,405	4.0
Nonchains
FP nonchain†	672	18.7	6,570	18.8
NP nonchain	163	4.5	1,800	5.2

^*The USRDS defines a chain-affiliated unit as one of a group of 20 or more freestanding facilities that have been owned or operated by a corporation for 1 year or longer and that are located in more than one state.

^†Only 25 facilities from Chain 6 were identified in 2004 and were placed into this category.

FP, for-profit; NP, nonprofit; USRDS, United States Renal Data System.