EM algorithm estimation of a structural equation model for the longitudinal study of the quality of life

• Published in: Statistics in medicine Vol. 37; no. 6; pp. 1031 - 1046
• Main Authors: Barbieri, Antoine, Tami, Myriam, Bry, Xavier, Azria, David, Gourgou, Sophie, Bascoul‐Mollevi, Caroline, Lavergne, Christian
• Format: Journal Article
• Language: English
• Published: England Wiley Subscription Services, Inc 15.03.2018; Wiley-Blackwell
• Subjects: Algorithms; EM algorithm; Global health; health‐related quality of life; longitudinal analysis; Longitudinal studies; Mathematics; Medical statistics; Oncology; oncology data; Quality of life; Statistics; Structural equation modeling; Variables; longitudinal analysis; health-related quality of life; structural equation modeling; EM algorithm; oncology data

Health‐related quality of life (HRQoL) data are measured via patient questionnaires, completed by the patients themselves at different time points. We focused on oncology data gathered through the use of European Organization for Research and Treatment of Cancer questionnaires, which decompose HRQoL...