The IDENTIFY Study: The Investigation and Detection of Urological Neoplasia in Patients Referred with Suspected Urinary Tract Cancer; A multicentre observational study.

Khadhouri, Sinan, Gallagher, Kevin M, MacKenzie, Kenneth R, Shah, Taimur T, Gao, Chuanyu, Moore, Sacha, Zimmermann, Eleanor F, Edison, Eric, Jefferies, Matthew, Nambiar, Arjun, Mannas, Miles P, Lee, Taeweon, Marra, Giancarlo, Lillaz, Beatrice, Gómez Rivas, Juan, Olivier, Jonathan, Assmus, Mark A, Uçar, Taha, Claps, Francesco, Boltri, Matteo, Burnhope, Tara, Nkwam, Nkwam, Tanasescu, George, Boxall, Nicholas E, Downey, Alison P, Lal, Asim Ahmed, Antón-Juanilla, Marta, Clarke, Holly, Hw Lau, David, Gillams, Kathryn, Crockett, Matthew, Nielsen, Matthew, Takwoingi, Yemisi, Chuchu, Naomi, O'Rourke, John, MacLennan, Graeme, McGrath, John S and Kasivisvanathan, Veeru (2021) The IDENTIFY Study: The Investigation and Detection of Urological Neoplasia in Patients Referred with Suspected Urinary Tract Cancer; A multicentre observational study. BJU international. ISSN 1464-410X.

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Official URL: https://bjui-journals.onlinelibrary.wiley.com/doi/...

Abstract

OBJECTIVE

To evaluate the contemporary prevalence of urinary tract cancer (bladder cancer, upper tract urothelial cancer (UTUC) and renal cancer) in patients referred to secondary care with haematuria, adjusted for established patient risk markers and geographical variation.

PATIENTS AND METHODS

This was an international multicentre prospective observational study. We included patients aged 16 and over, referred to secondary care with suspected urinary tract cancer. Patients with a known or previous urological malignancy were excluded. We estimated the prevalence of bladder cancer, UTUC, renal cancer and prostate cancer; stratified by age, type of haematuria, sex and smoking. We used a multivariable mixed effects logistic regression to adjust cancer prevalence for age, type of haematuria, sex, smoking, hospitals and countries.

RESULTS

Of the 11,059 patients assessed for eligibility, 10,896 were included from 110 hospitals across 26 countries. The overall adjusted cancer prevalence (n=2257) was 28.2% (95% CI 22.3-34.1), bladder cancer (n=1951) 24.7% (19.1-30.2), UTUC (n=128) 1.14% (0.77-1.52), renal cancer (n=107) 1.05% (0.80-1.29) and prostate cancer (n=124) 1.75% (1.32-2.18). Odds ratios for patient risk markers in the model for all cancers were: Age 1.04 (95% CI 1.03-1.05) p<0.001, visible haematuria 3.47 (2.90-4.15) p<0.0001, male sex 1.30 (1.14-1.50) p<0.001 and smoking 2.70 (2.30-3.18) p<0.001.

CONCLUSIONS

A better understanding of cancer prevalence across an international population is required to inform clinical guidelines. We are the first to report urinary tract cancer prevalence across an international population in patients referred to secondary care, adjusted for patient risk markers and geographical variation. Bladder cancer was the most prevalent disease. Visible haematuria was the strongest predictor for urinary tract cancer.

Item Type: Article
Subjects: QZ Pathology. Oncology
WJ Urogenital system. Urology
Divisions: Planned IP Care > Urology
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Depositing User: Miss Emily Johnson
Date Deposited: 04 Jun 2021 10:16
Last Modified: 04 Jun 2021 10:16
URI: http://www.repository.uhblibrary.co.uk/id/eprint/4375

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