Blood lead levels for persons 6 months-74 years of age : United States, 1976-80.
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Blood lead levels for persons 6 months-74 years of age : United States, 1976-80.

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    According to data collected by the National Center for Health Statistics by means of the National Ambulatory Medical Care Survey, patients with essential hypertension made an estimated 25.1 million visits to office-based physicians in 1980. During these visits there were about 46.5 million mentions of drugs, either new or continued, for an average of 1.85 drug mentions per visit. The National Ambulatory Medical Care Survey (NAMCS) is a probability sample survey conducted annually by the Division of Health Care Statistics of the National Center for Health Statistics. The technical notes at the end of this report provide brief in-formation about the source of the data, sampling errors, and definitions of terms. A complete description of the survey including limitations and definitions was published in Vital and Health Statistics, Series 13, No. 44. Until 1980, an item on the Patient Record form (figure 1) indicating whether or not medication therapy was offered by the physician was the only available information from NAMCS regarding drug utilization by office-based physicians. In 1980, the item was expanded to include the reporting of specific drugs, prescription or nonprescription, ordered or provided by any route of administration during. the visit (see figure 1, item 11). The methodology used to collect and process this drug information is described. Suggested citation: National Center for Health Statistics, B. K. Cypress: Medication therapy in office visits for hypertension: National Ambulatory Medical Care Survey, 1980. Advance Data From Vital and Health Statistics, No. 80. DHHS Pub. No. (PHS) 82-1250. Public Health Service, Hyattsville, Md. PMID: 10256440 ad080acc.pdf
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