Frailty, comorbidity and survival comparisons between populations eligible for screening according to risk factor versus risk score criteria: results from the Yorkshire Lung Screening Trial.

Anas Almatrafi, Rhian Gabe, Rebecca J Beeken, Richard D Neal, Andrew Clegg, Kate E Best, Samuel Relton, Martel Brown, Hui Zhen Tam, Daniel Vulkan, Neil Hancock, Philip A Crosbie, Matthew E J Callister