https://www.selleckchem.com/GSK-3.html
A 10-item short form (SCQOLS-1 may serve as a quick, valid and reliable assessment of the overall level of quality of life. OBJECTIVE A conceptually oriented pre-processing of a large number of potential prognostic factors may improve the development of a prognostic model. This study investigated whether various forms of conceptually oriented pre-processing or the preselection of established factors was superior to using all factors as input. STUDY DESIGN AND SETTING We made use of an existing project which developed two conceptually oriented su