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Institute of Epidemiology & Health Care

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Variation in markers & measures of diagnostic intervals

Identifying and describing patterns of variation in diagnostic intervals, by patient characteristic, cancer diagnosis and presenting symptoms can be informative for the design and delivery of public health interventions and healthcare services. 

This research is funded by a Cancer Research UK Advanced Clinician Scientist Fellowship awarded to Professor Yoryos Lyratzopoulos (2015-2020), the BMA TP Gunton grant awarded to Dr Cristina Renzi (2016-2018), and the Department of Health Policy Research Unit in Cancer Awareness, Screening and Early Diagnosis studentship awarded to Monica Koo (2015-2018).

Principal investigator: Professor Yoryos Lyratzopoulos

Contact: Professor Yoryos Lyratzopoulos (y.lyratzopoulos[at]ucl.ac.uk)

Relevant publications

Lyratzopoulos G, Neal RD, Barbiere JM, Rubin GP, Abel G a. (2012) Variation in number of general practitioner consultations before hospital referral for cancer: Findings from the 2010 National Cancer Patient Experience Survey in England. Lancet Oncol 13: 353-365, doi:10.1016/S1470-2045(12)70041-4. 

Mendonca SC, Abel GA, Lyratzopoulos G (2016) Pre-referral GP consultations in patients subsequently diagnosed with rarer cancers: A study of patient-reported data. Br J Gen Pract 66: e171-e181, doi:10.3399/bjgp16X683977. 

Mendonca SC, Abel G., Saunders CL, Wardle J, Lyratzopoulos G (2016) Pre-referral general practitioner consultations and subsequent experience of cancer care: evidence from the English Cancer Patient Experience Survey. Eur J Cancer Care 25: 478-490, doi:10.1111/ecc.12353.

Lyratzopoulos G, Abel GA, McPhail S, Neal RD, Rubin GP (2013) Measures of promptness of cancer diagnosis in primary care: secondary analysis of national audit data on patients with 18 common and rarer cancers. Br J Cancer 108: 686-690, doi:10.1038/bjc.2013.1.