 | United States. Congress. Senate. Committee on Labor and Public Welfare - 1967 - 1408 pages
...measurements; by 40-80 percent in differential characterization of blood cells; and by 20-30 percent in measurement of serum electrolytes. There also exists...results from laboratory to laboratory. This information, Senator, indicates that erroneous results are obtained in more than 25 percent of all tests analyzed... | |
 | United States. Congress. Senate. Committee on Labor and Public Welfare - 1967 - 232 pages
...laboratories in bacteriological testing; by 30-50% in various simple clinical chemistry tests ; by 12-18% in blood grouping and typing ; by 20-30% in...laboratory to laboratory. This information indicates that erron-eox-s results are obtained, in more than 25% of all tests analyzed by these Ktudles. The results... | |
 | United States. Congress. Senate. Committee on Labor and Public Welfare - 1967 - 1754 pages
...laboratories in bacteriological testing ; by 30-50% in various simple clinical chemistry tests; by 12-18% in blood grouping and typing; by 20-30% in...results from laboratory to laboratory. This information imlicutes that erroneous results are obtained in more than 25% of all tests analyzed by these studies.... | |
 | United States. Congress. House. Interstate and Foreign Commerce - 1967 - 390 pages
...measurements ; by 40 to 80 percent in differential characterization of blood cells ; and by 20 to 30 percent in measurement of serum electrolytes. There also exists...that erroneous results are obtained in more than 25 percent of all tests analyzed by these studies. Clinical laboratory testing is a large and rapidly... | |
 | United States. Congress. House. Appropriations - 1968 - 600 pages
...(11) and by 20-30 percent in measurement of serum electrolytes (12, 13). In addition, there has been considerable variation in results from laboratory...that erroneous results are obtained in more than 25 percent of all tests analyzed by these studies. The results cited above have been derived from performance... | |
 | United States. Congress. House. Committee on Ways and Means - 1972 - 1344 pages
...clinical laboratory work.1 Although the results varied from laboratory to laboratory, he concluded that "this information indicates that erroneous results are obtained in more than 25 percent of all tests analyzed by these studies." As might be expected, this statement caused great... | |
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... 12-18% in blood grouping and typing; by 20-30% in hemoglobin measurements; by 40-80% in differential characterization of blood cells; and by 2030% in measurement of serum electrolytes. There also exists considerable variation In results from laboratory... 