Table 2.

Characteristics of RHIOs by operational status^*

	Operational (N = 43)	Non-operational (N = 38)	p Value
	Mean (SD)	Mean (SD)
Unique types of participants (committed to participate or participating)	4.8 (2.2)	3.6 (2.4)	0.03
Types of data (planned for or exchanged)	3.0 (1.3)	3.8 (1.4)	0.008

	Percent	Percent	p Value
Funding source while planning (moderate or substantial)
Grants	54%	68%	0.17
One-time or recurring fee from participants	56%	61%	0.68
Participant types
Ambulatory physicians as receiver	81%	71%	0.27
Hospital as receiver	74%	74%	0.94
Lab or radiology as provider	72%	74%	0.87
Past collaboration between participants	62%	60%	0.82
Population focus	28%	50%	0.04
Time planning for clinical data exchange (median months)	16	36	<0.001

^*Operational is defined as actively exchanging clinical data between independent entities.

RHIO, Regional Health Information Organization.