pvalue

P-values from random effects linear regression models

 is a useful frequentist approach to hierarchical/multilevel linear regression modelling. For good reason, the model output only includes t-values and doesn’t include p-values (partly...
km_acsnsqip

Prediction is very difficult, especially about the future

As Niels Bohr, the Danish physicist, put it, “prediction is very difficult, especially about the future”. Prognostic models are commonplace and seek to help...
Microsoft Word - hpb_359_HPB_Manuscript v2

Radical but conservative liver surgery

Cutting-edge liver surgery is often associated with modern technology such as the robot. In this edition of HPB, Torzilli and colleagues provide a fascinating...
gr1_lrg

Preserving liver while removing all the cancer

“Radical-but-conservative” parenchymal-sparing hepatectomy (PSH) for colorectal liver metastases (Torzilli 2017) is increasing reported. The PSH revolution has two potential advantages: avoiding postoperative hepatic failure...
nomogram

Realistic medicine

Realistic medicine is a useful concept describing healthcare that puts patients at the centre of decision making and treatment, with an aim to reduce harm,...
bjs_dow@2x-100

Effect of day of the week on mortality after emergency general surgery

Out latest paper published in the BJS describes short- and long-term outcomes after emergency surgery in Scotland. We looked for a weekend effect and...
figure_small

Publishing mortality rates for individual surgeons

This is our new analysis of an old topic.In Scotland, individual surgeon outcomes were published as far back as 2006. It wasn’t pursued in...
donation-fig1-large

All the transplant statistics you need

If you have a hunger for statistics on organ transplantation, check out NHS Blood and Transplant. There are regularly updated and reflect what is...
chris-toumey-blood-cells-red

Having a low blood count increase complications from liver surgery

A low blood count is common with cancer. There are now more studies showing that this can contribute to complications after surgery. Blood transfusion...
Microsoft Word - figure1

Keyhole or open surgery for bowel cancer metastases in the liver?

Laparoscopic (keyhole) approaches for liver resection are well described and in common use, but we do not yet have robust randomised controlled trial data...