Sanjeev Madaan

Consultant Urological Surgeon & Lead Cancer Clinician

Darent Valley Hospital, Dartford; Visiting Professor, Canterbury Christ Church University; Chairman Urology TSSG, Kent & Medway Cancer Alliance; Speciality Lead for Urology Cancer Research, CRN Kent, Surrey & Sussex, Expert Advisor to NICE.

Latest Contribution

Systematic reviews and meta-analysis – a stepwise approach

3 May 2024 | | Andrology, Basic Science Research, Endourology and Stones, Functional Urology, Infection, Neurourology, Paediatric Urology, Reconstructive Urology, Technological Developments, Trauma and Emergency Urology, Urologic Oncology, Uroradiology

As per Cochrane definition (2013), a systematic literature review (SR) attempts “to identify, appraise and synthesize all the empirical evidence that meets pre-specified eligibility criteria to answer a given research question” [1]. A meta-analysis (MA) is a statistical assessment of...

Graph image showing how PPV increases as the prevalence of the disease in the population increases.

Medical statistics for urologists: part 3 – diagnostic testing

1 July 2022 |

Following on from the first two parts of this series (see Part 1 here, and Part 2 here), this final article aims to demonstrate how the theory of statistics applies to medical diagnostics. Probability in diagnostic testing Diagnostic tests refer...

Diagram showing example of a simple forest plot.

Medical statistics for urologists: part 2 – probability and hypothesis testing

2 March 2022 |

Following on from Part 1 of this series (Part 3 available here), this article aims to build on other analytical techniques commonly used within medical research, focusing on simple examples. Probability and testing Before exploring hypothesis testing, it is vital...