HealthLeaders-InterStudy, the leading provider of managed care market intelligence, reports that across commercial managed care, HMO enrollment continues to decline, falling 5.8 percent to approximately 44.3 million between July 2007 and January 2008. At the same time, PPO lines of business have grown 4.4 percent to 109.7 million. Details of this trend are revealed in the latest release of Managed Market Surveyor-Rx, a database product from HealthLeaders-InterStudy that delivers medical and pharmacy benefit enrollment and market share data in a single, easy-to-use interface.

"There are a number of factors that are driving PPO growth, and cost is one of them," said Jane DuBose, Director of Health Plan Analysis for HealthLeaders-InterStudy. "PPO products have become less costly for consumers relative to HMOs, yet maintain broad access to providers, which is attractive to members. Additionally, state and local government purchasers of health insurance have increasingly shifted to self-insured options, which in most instances have been built on PPO platforms."

According to analysts from HealthLeaders-InterStudy, the growth of PPO plans is also a result of consolidation among provider-owned HMO plans.

Among national health plans demonstrating the PPO growth trend is Aetna. While a majority of Aetna's enrollment growth through the end of 2007 was from its self-insured line of business, the fully-insured PPO business experienced enrollment increases. Through the end of 2007, its PPO enrollment grew 9.8 percent, while HMO enrollment fell 3.4 percent.

"Whether there is an interest in national plans or a particular geographic area, Managed Market Surveyor-Rx provides the detail needed to accurately evaluate managed care opportunities at the state, county and MSA level to enable better resource allocation," said Russell Workman, Principal Director of Data Operations for HealthLeaders-InterStudy. "The inter-operability of the database reveals trends that users may otherwise not identify. But what really sets the data apart is that primary research is conducted to ensure our data is not only the most accurate, but also the most comprehensive."

Managed Market Surveyor-Rx is currently available with enrollment data from January 2008.

About Managed Market Surveyor

Managed Market Surveyor offers the most comprehensive description of how managed care lives in a geographical region are insured: HMO, PPO, managed Medicare, managed Medicaid, uninsured, or privately insured. This enrollment database provides detailed plan and market share data at the state, county and MSA levels.

About HealthLeaders-InterStudy

HealthLeaders-InterStudy is the authoritative source for managed care data, analysis, and news. For more information, please visit

About Decision Resources, Inc.

Decision Resources, Inc. is a cohesive portfolio of companies that offers best-in-class, high-value information and insights on important sectors of the healthcare industry. Clients rely on this analysis and data to make informed decisions. Please visit Decision Resources, Inc. at

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  For more information, contact:    Lisa Osgood                           Elizabeth Marshall   HealthLeaders-InterStudy              Decision Resources, Inc.   781-296-2606                          781-296-2563           

SOURCE: HealthLeaders-InterStudy

Contact: Lisa Osgood of HealthLeaders-InterStudy, +1-781-296-2606,; or Elizabeth Marshall of Decision Resources, Inc.,

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