, Volume 58, Issue 3, pp 807-814
Date: 17 Oct 2012

Electronic Messages Increase Hepatitis B Screening in At-Risk Asian American Patients: A Randomized, Controlled Trial

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Abstract

Background

Hepatitis B (HBV) induced hepatocellular carcinoma is the greatest cancer health disparity affecting Asian Americans, but the prevalence of screening to detect HBV is suboptimal.

Aims

Our aims were to determine the effectiveness of electronic health record (EHR) prompts to increase ordering of HBV tests among primary care providers (PCPs) within an academic health system.

Methods

We conducted a randomized, controlled trial between April and June 2011 among 76 PCPs caring for 175 outpatient adults with Chinese or Vietnamese surnames, with appointments with providers and no history of HBV testing. Providers were randomized to either receive an EHR prompt for HBV testing prior to patients’ appointments or usual care. Primary outcomes were the proportion of patients (1) whose physician ordered a HBsAg test and (2) who completed testing. Secondary outcomes were (A) test results and (B) whether the physicians followed-up on the results.

Results

HBsAg tests were ordered for 36/88 (40.9 %) of the intervention patients and 1/87 (1.1 %) of the control patients [χ 2 (df = 1) = 41.48, p < 0.001]. Thirty intervention patients (34.1 %) and no control patients completed the HBsAg test [χ 2 (df = 1) = 35.80, p < 0.001]. Four (13.3 %) of the completed tests were HBsAg-positive, 14 (46.7 %) were immune, and 12 (40 %) were unprotected from HBV. Two HBsAg-positive patients were referred to specialists, and 3 unprotected patients were vaccinated for HBV.

Conclusions

EHR-based provider prompts significantly increased HBV testing in Chinese and Vietnamese patients when compared to “usual care.” EHR prompts are a promising intervention that could significantly increase screening for HBV.

These data were presented as a poster at the Fourth American Association for Cancer Research (AACR) Conference on The Science of Cancer Health Disparities in Racial/Ethnic Minority Populations & the Medically Underserved, 9/20/2011, Washington, DC, p.136.