![]() In addition, the LR and pretest probability of significant immunosuppression were used to calculate posttest probabilities of a low CD4+ count for a given TLC value. The sensitivity, specificity, and likelihood ratio (LR) of the TLC, in the range of 1.00 x 10(9)/L to 2.00 x 10(9)/L, in predicting an absolute CD4+ T-cell count less than 0.20 x 10(9)/L or a CD4+ percentage less than 20% were calculated. For patients with multiple observations over time, a single data point within each 6-month interval was included in the analysis (N = 2866). A total of 828 consecutive patients with no prior history of zidovudine use, evaluated from January 1985 through July 1991. Military medical center that performs annual medical evaluation of all HIV-infected US Air Force personnel. Retrospective analysis of data collected in the US Air Force HIV Natural History Study. To determine whether the total lymphocyte count (TLC) accurately predicts a low absolute CD4+ T-cell count and CD4+ percentage in persons infected with human immunodeficiency virus (HIV). Total lymphocyte count as a predictor of absolute CD4+ count and CD4+ percentage in HIV-infected persons.īlatt, S P Lucey, C R Butzin, C A Hendrix, C W Lucey, D R However, their reliability has not been assessed with indices measuring both relative and absolute reliability. Purpose: Percentage of syllables stuttered (%SS) and severity rating (SR) scales are measures in common use to quantify stuttering severity and its changes during basic and clinical research conditions. ![]() Karimi, Hamid O'Brian, Sue Onslow, Mark Jones, Mark Prediction using a forecasting method is one of the most important things for an organization, the selection of appropriate forecasting methods is also important but the percentage error of a method is more important in order for decision makers to adopt the right culture, the use of the Mean Absolute Deviation and Mean Absolute Percentage Error to calculate the percentage of mistakes in the least square method resulted in a percentage of 9.77% and it was decided that the least square method be worked for time series and trend data.Ībsolute and Relative Reliability of Percentage of Syllables Stuttered and Severity Rating ScalesĮRIC Educational Resources Information Center Khair, Ummul Fahmi, Hasanul Hakim, Sarudin Al Rahim, Robbi Forecasting Error Calculation with Mean Absolute Deviation and Mean Absolute Percentage Error ![]()
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