Open Wound Research

Notes, research, and updates from Open Wound Research.

PAR for clinical decision-making is different from PAR for statistical inference

Dr. Tettelbach and I were using the same word to mean two different statistical objects

PAR

DFU

clinical trials

statistics

At the TRSS Spring meeting in Austin a couple of weeks ago, I claimed that PAR (percent area reduction) was not being calculated correctly in diabetic foot ulcer RCTs.…

How many mobile wound care providers are there?

Mobile Wound Care

I was speaking to my co-founder of Open Wound Research, Ryan Dirks, and an interesting question came up between us. Just how many mobile wound care providers are there? By…

Zwelithini Tunyiswa

The Braden Scale as a Statistical Model

Braden Scale

Modeling

Bayesian

I just did a great podcast with Rob Fraser from SWIFT, and we began talking about Pressure Ulcer risk, the Braden Scale, and machine learning. It got me thinking about how…

Zwelithini Tunyiswa

Simulating Wound Data is Easier Than You Think

Data Science

Modeling

Simulation

As a modeler, I oftentimes simulate wound care data to test models prior to fitting those same models to real data. Why would one do this? With simulated data one know…

Zwelithini Tunyiswa

An Initial Rough Estimate of the Potential Cost to the CAMPS Industry of the new CMS LCDs

CAMPS

Medicare

Local Coverage Determination

All eight CMS Medicare Administrative Contractors (MACs) promulgated proposed concurrent Local Coverage Determinations (LCD’s) on April 25th for Skin Substitutes. In all but…

Zwelithini Tunyiswa

An Overview of Nonequivelent Group Study Designs in Wound Care

Study Design

Quasi-Experimental

Nonequivelent Group Designs

Much of wound-care research is not randomized control studies, but rather quasi-experimental studies. The most commonly used quasi-experimental design is the nonequivalent…

Zwelithini Tunyiswa