Sanjeev Madaan

Consultant Urological Surgeon

Department of Urology and Nephrology, Darent Valley Hospital, Dartford and Gravesham Trust NHS; Visiting Professor, Canterbury Christchurch University.

Latest Contribution

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...

Graphic showing arithmetical equation.

Medical statistics for urologists: part 1

3 September 2021 |

Part 2 of this article is available here, and Part 3 here Clinicians often consider statistics to be a dry and challenging subject. However, an understanding of the basics of statistic methods underpins the interpretation and use of current best...

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