Mazen Abdellatif

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BACKGROUND Stroke incidence and mortality rates are higher in the southeastern region of the United States, which is called the "Stroke Belt." We compared the response to antihypertensive medication use in patients from different US regions. METHODS The short-term and 1-year efficacy of the antihypertensive medications hydrochlorothiazide, atenolol,(More)
OBJECTIVE To determine if the peripheral articular manifestations of the seronegative spondylarthropathies (SNSA) respond differently than the axial manifestations to treatment with sulfasalazine (SSZ). METHODS This is a reanalysis of a previously reported series of randomized, double-blind, placebo-controlled, multicenter trials comparing the effects of(More)
PURPOSE We determine outcomes after 5 years of followup for men who were randomized to receive transurethral resection or watchful waiting for moderate symptoms of benign prostatic hyperplasia. MATERIALS AND METHODS A total of 556 patients were evaluated up to 60 months after randomization providing 966 patient-years of followup for transurethral(More)
OBJECTIVES The interest in the economic impact of new health care interventions has increased dramatically over recent years; however, the results can be highly variable depending upon the economic assumptions made and the approaches taken in collecting the data and in conducting the analyses. This paper describes experiences from the VA Cooperative Studies(More)
After the data collection phase of a clinical trial has been completed, new hypotheses may surface which require additional data before they can be tested. In the Veterans Affairs Cooperative Study on Single Drug Therapy of Hypertension, we investigated the relationship between location of the participating center, race and ability to control blood(More)
We have developed a Paradox-based data collection and management system for large-scale multi-site randomized clinical trials. The system runs under Windows operating system and integrates Symantec pcAnywhere32 telecommunications software for data transmission and remote control sessions, PKZIP utility for the compression/decompression of transmitted data,(More)
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