Tumor Markers - Medical Clinical Policy Bulletins | Aetna
Number: 0352. Policy. Aetna considers any of the following serum tumor markers for the stated indication medically necessary: Prostate-specific antigen (PSA) for prostate cancer screening (see CPB 0521 - Prostate Cancer Screening), staging, monitoring response to therapy, and detecting disease recurrence.
Populations. In statistics the term "population" has a slightly different meaning from the one given to it in ordinary speech. It need not refer only to people or to animate creatures - the population of Britain, for instance or the dog population of London.
PsyD in Clinical Psychology Online - Capella University
Helping You Help Others. Pursue the highest level of your psychology education. Capella's online Doctor of Psychology (PsyD) in Clinical Psychology program prepares you for state licensure eligibility as a clinical psychologist.
This test, also known as Welch's t-test, is used only when the two population variances are not assumed to be equal (the two sample sizes may or may not be equal) and hence must be estimated separately.
This article type requires a presubmission inquiry. See the "full info" below for requirements and contact information. Critical assessments of the literature and data sources pertaining to clinical topics, emphasizing factors such as cause, diagnosis, prognosis, therapy, or prevention.
A (population) effect size θ based on means usually considers the standardized mean difference between two populations: 78 = −, where μ 1 is the mean for one population, μ 2 is the mean for the other population, and σ is a standard deviation based on either or both populations.
OpenEpi:Sample Size for X-Sectional,Cohort,and Clinical Trials
This module calculates sample size for unmatched cross-sectional and cohort studies, including clinical trials. You enter the desired confidence level, power, ratio of exposed to unexposed samples, and a hypothetical percentage of outcome among the co
Building Resilience. These resource pages explore different aspects of resilience management to control and help reduce the rapidly increasing costs of manmade and natural hazards and ensure that civil infrastructure exhibits a high degree of resilience.
OpenEpi - Toolkit Shell for Developing New Applications
This module calculates sample sizes for comparing two means. Enter a desired confidence interval, power, ratio of sample size of group 2 to group 1, mean (or mean difference) and standard deviation (or variance), and the sample size will be calculated for each group.
Definitions Sample size: The number of patients or experimental units required for the trial. Power: The probability that a clinical trial will have a significant(positive) result, that is have a p-value of less than the specified significance level(usually 5%).
Is a Sample Size of n=6 a 'Magic' Number? | Pharmaceutical ...
Manufacturers rely upon analytical chemists to carry out analysis and testing of samples to ensure products conform to specifications and to predict the properties of the batch or lot based on the analysis of a sample.