Now showing items 1-2 of 2

    • Assessing the impact of early detection biases on breast cancer survival of Catalan women 

      Roso-Llorach, Albert; Forné Izquierdo, Carles; Macià, Francesc; Galcerán, Jaume; Marcos-Gragera, Rafael; Rué i Monné, Montserrat (Institut d'Estadística de Catalunya, 2014)
      Survival estimates for women with screen-detected breast cancer are affected by biases specific to early detection. Lead-time bias occurs due to the advance of diagnosis, and length-sampling bias because tumors detected ...
    • Quality Reporting of Multivariable Regression Models in Observational Studies 

      Real, Jordi; Forné Izquierdo, Carles; Roso-Llorach, Albert; Martínez Sánchez, Jose M. (Lippincott, Williams & Wilkins, 2016)
      Controlling for confounders is a crucial step in analytical observational studies, and multivariable models are widely used as statistical adjustment techniques. However, the validation of the assumptions of the ...