Sunday, March 08, 2015

Costs and outcomes for MOC-required versus MOC-grandfathered internists

Here's an interesting paper that recently appeared in JAMA:

Importance In 1990, the American Board of Internal Medicine (ABIM) ended lifelong certification by initiating a 10-year Maintenance of Certification (MOC) program that first took effect in 2000. Despite the importance of this change, there has been limited research examining associations between the MOC requirement and patient outcomes.

Objective To measure associations between the original ABIM MOC requirement and outcomes of care....

One group (n = 956), initially certified in 1991, was required to fulfill the MOC program in 2001 (MOC-required) and treated 84 215 beneficiaries in the sample; the other group (n = 974), initially certified in 1989, was grandfathered out of the MOC requirement (MOC-grandfathered) and treated 69 830 similar beneficiaries in the sample. We compared differences in outcomes for the beneficiary cohort treated by the MOC-required general internists before (1999-2000) and after (2002-2005) they were required to complete MOC, using the beneficiary cohort treated by the MOC-grandfathered general internists as the control.

Main Outcomes and Measures Quality measures were ambulatory care–sensitive hospitalizations (ACSHs), measured using prevention quality indicators. Ambulatory care–sensitive hospitalizations are hospitalizations triggered by conditions thought to be potentially preventable through better access to and quality of outpatient care...

Results Annual incidence of ACSHs (per 1000 beneficiaries) increased from the pre-MOC period (37.9 for MOC-required beneficiaries vs 37.0 for MOC-grandfathered beneficiaries) to the post-MOC period (61.8 for MOC-required beneficiaries vs 61.4 for MOC-grandfathered beneficiaries) for both cohorts, as did annual per-beneficiary health care costs (pre-MOC period, $5157 for MOC-required beneficiaries vs $5133 for MOC-grandfathered beneficiaries; post-MOC period, $7633 for MOC-required beneficiaries vs $7793 for MOC-grandfathered beneficiaries). The MOC requirement was not statistically associated with cohort differences in the growth of the annual ACSH rate (per 1000 beneficiaries, 0.1 [95% CI, −1.7 to 1.9]; P = .92), but was associated with a cohort difference in the annual, per-beneficiary cost growth of −$167 (95% CI, −$270.5 to −$63.5; P = .002; 2.5% of overall mean cost).

Conclusion and Relevance Imposition of the MOC requirement was not associated with a difference in the increase in ACSHs but was associated with a small reduction in the growth differences of costs for a cohort of Medicare beneficiaries.

My take on this very busy abstract is that requiring MOC was not associated with improved outcomes but was associated with a very modest cost reduction in this study.

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