Completeness and selection bias of a Belgian multidisciplinary, registration-based study on the EFFectiveness and quality of Endometrial Cancer Treatment (EFFECT)

Highlights • This study highlights the feasibility of voluntarily collecting detailed information on the real-world clinical care offered to cancer patients, from diagnosis to follow-up. • The advantage of this approach is that it enables a more detailed assessment of clinical practice. • The disadvantage of this approach is that data is at risk of being somewhat incomplete and biased.