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2003 JUN 4 - (NewsRx.com & NewsRx.net) -- Patients rarely tell a healthcare provider that they did not receive an influenza or pneumococcal polysaccharide vaccination when they actually did receive it.
"National surveys of adult vaccination indicate moderate self-reported immunization rates in the United States, with limited validity data. We compared self-report with medical record abstraction for 820 persons aged at least 66 years from inner-city health centers, Veterans Affairs (VA) outpatient clinics, rural and suburban practices," scientists in the United States report.
"For influenza vaccine, sensitivity was 98% (95% CI: 96-99%); specificity was 38% (95% CI: 33-43%)," stated Richard Kent Zimmerman and colleagues at the University of Pittsburgh. "For pneumococcal polysaccharide vaccine, sensitivity was 85% (95% CI: 82-89%) and specificity was 46% (95% CI: 42-50%). The Veteran's Administration had the highest sensitivity and lowest specificity for both vaccines while the converse was true in inner-city centers."
The ...