Their original article focused on T2D + CVD patients. There was no need for that analysis as Dr. Bhatt had already published his REDUCE-IT Diabetes study as the definitive work. As you implied, their analysis was only sloppy work for the sole purpose of getting their name on a publication.
“Annals of Medicine and Surgery is an online-only, peer-reviewed open access journal with a global outlook and focus on those training in medicine and surgery (postgraduate and undergraduate).”
So…medical field trainees.
From architects to zoologists, every profession has its C students.