The quality and quantity of randomised trials of surgical techniques is acknowledged to be
limited. According to Peter McCulloch and colleagues, however, some aspects of surgery …

Registry data that shows a clinically meaningful association of higher mortality and other
major complications with site annual volume below the recommended threshold of 50 …

Objective: To provide a multidimensional analysis of the learning curve in major
laparoscopic colonic and rectal surgery and compare outcomes between right-sided versus …

There are many applications of control charts in health-care monitoring and in public-health
surveillance. We introduce these applications to industrial practitioners and discuss some of …

Clinical prediction models (CPMs) have become fundamental for risk stratification across
healthcare. The CPM pipeline (development, validation, deployment, and impact …

The cumulative sum (CUSUM) procedure is a graphical method that is widely used for
quality monitoring in industrial settings. More recently it has been used to monitor surgical …

Background In eligible patients with acute ischaemic stroke, rapid revascularisation is
crucial for good outcome. At our treatment centre, we had achieved and sustained a median …

Background The aim of the study was to develop a dedicated colorectal Physiological and
Operative Severity Score for the enUmeration of Mortality and morbidity (CR-POSSUM) …

In this paper we discuss the use of charts derived from the sequential probability ratio test
(SPRT): the cumulative sum (CUSUM) chart, RSPRT (resetting SPRT), and FIR (fast initial …

Background Robotic hepatectomy has been suggested as a safe and effective management
of liver disease. However, no large case series have documented the learning curve for …