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Statistical Methods for Rates & Proportions Bruce Levin, Joseph Fleiss, Joseph L. Fleiss, Myunghee Cho Paik
Publisher: Wiley-Interscience

Statistical methods for rates and proportions (2nd ed.). In statistics, sample data is often used to help find estimates of population parameters. The proportion of abstainer categories as derived from the survey reflected the true proportion of current abstainers (lifetime abstainers plus ex-drinkers) in the population. I mean they'll tell you whether one is statistically . It is certainly true that a blind application and reliance on statistical methods without a good understanding of how to interpret the results can be dangerous - but this is not a failing of the methods. Statistical methods for rates and proportions, 2nd ed. Latest monthly hospital activity **events (up to and including The day case rate (the proportion of total elective admissions that were day cases) on a YTD basis is currently 79.6%. I love statistics and always look for ways to incorporate them in my every day work but. Estimates where z₁-α⁄ 2 is the 1-α⁄2 percentile of the standard normal distribution; α is the Type I error rate and is the complement of the confidence level. New York: John Wiley & Sons, 1981;112-9. The primary objective of these studies was to evaluate the proportion of patients treated with HZT-501 (800 mg ibuprofen and 26.6 mg famotidine) or ibuprofen (800 mg) alone who developed endoscopically diagnosed gastric and/or duodenal ulcers during a 24-week treatment period. Thus Proportion: Comparison of Seven Methods (1998, Statistics in Medicine, 17, 857-872). Aspartame, neurotoxicity, and seizures: a review. Common Common parameters that experimenters try to estimate include population means, standard deviations, and proportions. Non-elective admissions, on a YTD basis, have There are three different admission methods for elective patients - waiting list, booked and planned. The following statistics were released today by the Department of Health:** **. Why would one need a statistical test to compare campaign response rates ??? The results for each study were analyzed using both life-table and crude-rate statistical methods. A smaller proportion of at-risk women who do not have a high school diploma than of those with at least a bachelor's degree are currently using a contraceptive method (89% vs. The overall coverage rate for the survey (i.e., the total volume of alcohol exposure derived from the survey divided by the adult per capita consumption from sales or other statistics) applied to all subpopulations as defined by age and sex.