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Too crude to be true?
Harvesting the magical update() function. The image is CC by Waldemar Horwat. The key to programming is being lazy; it has actually been called a virtue by some. When I discovered the update() function...
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Too tight?
Compartment syndrome is a feared complication that can be both limb- and life-threatening. The image is CC by jαγ Δ. Compartment syndrome occurs most commonly after trauma to the lower leg. It causes...
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Pills instead of surgery?
It is not common to find something as research that can change your perception of the world – it’s a beauty. The image is CC from photophilde. I recently stumbled upon one of the most interesting...
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The forestplot of dreams
A forestplot that compares Swedish and Danish EQ-5D outcome predictors generated with the forestplot2()-function in the Gmisc-package Displaying large regression models without overwhelming the reader...
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Fast-track publishing using knitr: intro (part I)
A beautiful old document. Probably state of the art in those days. The image is CC by storebukkebruse. Fast-track publishing using knitr is a short series on how I use knitr to get my articles faster...
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Fast-track publishing using knitr: the setup using .RProfile with custom CSS...
Flexing RStudio/knitr where you want can be a challenge. The image is CC by Ben Barnes. Fast-track publishing using knitr is a short is a short series on how I use knitr to get my articles faster...
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Fast-track publishing using knitr: exporting images for sharing and press...
Images can be a powerful medium if used right. The image is CC by alemdag. Fast-track publishing using knitr is a short series on how I use knitr to speedup publishing in my research. This is the third...
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Fast-track publishing using knitr: table mania (part IV)
Constructing tables is an art – maximizing readability and information can be challenging. The image is of the Turning Torso in Malmö and is CC by Alan Lam. Fast-track publishing using knitr is a short...
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Fast-track publishing using knitr: stitching it together (part V)
Putting all the pieces together can be challenging both for surgeons and researchers. The image is CC by Zac Peckler Fast-track publishing using knitr is a short series on how I use knitr to speedup...
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The rotator cuff dilemma – revisited
A black-shouldered kite with prey. The image is CC by Tariq Sani. Is Kukkonen et. al.’s RCT the end of our love for the rotator cuff tear? The industry surrounding rotator cuff tears costs in the US...
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Pimping your forest plot
A forest plot using different markers for the two groups In order to celebrate my Gmisc-package being on CRAN I decided to pimp up the forestplot2 function. I had a post on this subject and one of the...
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A bloody mess?
Do blood transfusions cause infections? The image is CC by Peter Almay. Blood transfusions lower the immune response – a known fact although not all doctors are aware of it. It is therefore nice to see...
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The final nail in the coffin for the degenerative meniscus?
Some studies give time for pause. The image is CC by Matt Katzenberger. I have my doubts when it comes to operating a degenerative meniscus (see my previous post) and in an amazing Finnish multicenter...
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Drawing a directed acyclic graph (DAG) for blood transfusions after surgery
A DAG can help you take the right path. The image is CC by Ian Sane I recently wrote about blood transfusions and their inherent risk of postoperative infections. This post is a tutorial on some of the...
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My thesis: patient-related factors & hip arthroplasty outcomes
Title: Evaluation of patient related factors influencing outcomes after total hip replacement On May 29:th I successfully defended my thesis at the Karolinska Institute and I’m now a “Doctor of...
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Outcomes after total hip replacements
Even the operation of the century has a dark side. The image is CC by Holley And Chris Melton. While total hip replacements (THR), also known as total hip arthroplasties, are hugely successful there...
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Fast-track publishing using the new R markdown – a tutorial and a quick look...
The new rmarkdown revolution has started. The image is CC by Jonathan Cohen. The new R Markdown (rmarkdown-package) introduced in Rstudio 0.98.978 provides some neat features by combining the awesome...
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Does age matter for THR-outcomes?
Age is perhaps one of the most important confounder that none of us can escape. The image is CC by Sara. Age is an important confounder in studying most health related outcomes [1, s 5], and perhaps...
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An exercise in non-linear modeling
Finding the right curve can be tricky. The image is CC by Martin Gommel. In my previous post I wrote about the importance of age and why it is a good idea to try avoiding modeling it as a linear...
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Keeping the cast dry
The image is CC by Mattieu Guionnet. I love the study from McDowell et al. where they tested different methods for keeping casts dry. It is simple but takes up a both common and important issue that we...
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