Table 1.
Overview of RHIO* characteristics (N = 81)
| Status | Number of RHIOs |
| Operational | 43 |
| Planning | 27 |
| Defunct | 11 |
| Location | Percent of RHIOs |
| Northeast | 23 |
| South | 27 |
| Midwest | 23 |
| West | 25 |
| Not specified | 1 |
| Region covered | |
| State | 30 |
| County or city | 69 |
| Not specified | 1 |
| Types of data (planned for or exchanged) | |
| Test results | 88 |
| Inpatient data | 75 |
| Medication history | 73 |
| Outpatient data | 73 |
| Public health reports | 27 |
| Types of participants in data exchange (committed to participate or participating) | |
| Ambulatory physician | 83 |
| Hospital | 83 |
| Lab | 59 |
| Imaging center | 47 |
| Public health department | 41 |
| Pharmacy | 40 |
| Payer | 36 |
| Pharmacy benefit manager | 17 |
| Population focus | |
| Medicaid | 22 |
| Chronic disease | 17 |
| Emergency department users | 15 |
| High-cost | 10 |
| Funding source while planning (moderate or substantial) | |
| Time or in-kind resources | 80 |
| Grant, contract or appropriation | 60 |
| One-time financial contribution | 47 |
| Recurring fee | 33 |
RHIOs that were exchanging (or planning to exchange) data for at least 5000 patients.
RHIO, Regional Health Information Organization.