Table 2.

Network Characteristics of Community and Hospital Networks

	Communities (n=273)	Hospitals (n=416)
	Median (range)	Median (range)
Number of Physicians	165 (21, 2470)	96*** (15, 1074)
% PCP (mean)	43 (19, 72)	44 (18, 79)
Number of Ties	4427 (104,253588)	2214*** (84, 71802)
Threshold	2 (1, 6)	2** (1, 8)
Adjusted Degree	27 (3, 202)	22*** (4, 176)
Physician Connections	626 (200, 1802)	572* (111, 1866)
% ties within the Network	50 (13, 99)	29*** (3, 94)
% patients shared within the Network	69 (17, 100)	49*** (7, 98)
Percent with at least 1:
Orthopedist	97	97
Ophthalmologist	95	92
Cardiologist	96	87***
Neurologist	91	82**
Psychiatrist	84	76*
Dermatologist	85	75*
Gastroenterologist	86	82

Significance test compares the mean values.

^*p<0.05

^**p<0.01

^***p<0.001