The intent of inferential statistics is to determine whether differences between groups are real or due to chance. A nucleoside antiretroviral drug recently approved for treatment of advanced HIV disease. A committee responsible for directing the activities of a designated project. One of the key committees in the organizational structure of a multicenter clinical trial. Committee responsible for conduct of the trial and to which all other committees report, except the adverse experience committee and Data and Safety Monitoring Board or advisory-review and treatment effects monitoring committee.
Bone marrow is rich in stem cells.
A large family of structurally similar chemicals. A defined condition that, when encountered for a patient enrolled in a trial, requires or permits clinic personnel to take some action related to that patient, such as instituting a change in treatment or terminating follow-up of that patient. A series of distinct levels or layers. In this book, generally subgroups of patients formed by classification on some variable or set of variables, usually baseline variables. The process of classifying observation units into strata.