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Response-rate ratio is a measure of efficacy of therapy in clinical trials. It is defined as the proportion of improved patients in the treatment group, divided by the proportion of improved patients in the control group. [citation needed] The same term has been used in marketing. [1]
All of the patients who met the eligibility criteria should be included in the main analysis of the response rate. Patients in response categories 4-9 should be considered as failing to respond to treatment (disease progression). Thus, an incorrect treatment schedule or drug administration does not result in exclusion from the analysis of the ...
A U.S. National Agricultural Statistics Service statistician explains response rate data at a 2017 briefing to clarify the context of crop production data. In survey research, response rate, also known as completion rate or return rate, is the number of people who answered the survey divided by the number of people in the sample.
Response rate may refer to: Response rate (medicine) – the percentage of patients whose cancer shrinks or disappears after treatment; Response rate (survey) – the ...
Assessment of immune-related response. In the irRC, an immune-related Complete Response (irCR) is the disappearance of all lesions, measured or unmeasured, and no new lesions; an immune-related Partial Response (irPR) is a 50% drop in tumour burden from baseline as defined by the irRC; and immune-related Progressive Disease (irPD) is a 25% ...
The response factor can be expressed on a molar, volume or mass [1] basis. Where the true amount of sample and standard are equal: = where A is the signal (e.g. peak area) and the subscript i indicates the sample and the subscript st indicates the standard. [2]
In behaviorism, rate of response is a ratio between two measurements with different units. Rate of responding is the number of responses per minute, or some other time unit. It is usually written as R. Its first major exponent was B.F. Skinner (1939). It is used in the Matching Law. R = # of Responses/Unit of time = B/t
[1] During the PHS reorganizations of 1966–1973, the National Center for Health Statistics was part of the Health Services and Mental Health Administration (HSMHA), [6] and afterwards was part of the Health Resources Administration. [7] Since 1987, it has been part of the Centers for Disease Control and Prevention (CDC). [5]