King, Madeleine; Winstanley, Julie; Kenny, Patsy; … - Centre for Health Economics Research & Evaluation … - 2007
Aim: To assess the validity, reliability and responsiveness of two questionnaires, the QLQ-C30 and LC-13, as measures … after surgery, one month after surgery, and then four monthly for two years. Construct validity was tested with confirmatory … factor analysis and correlation analysis was used to test for convergent/divergent validity. Discriminant validity was tested …