Retrospective but Not Rigorous

Retrospective but not rigorous.

To the Editor:—We read with much interest the article by Biki et al. regarding the effect of anesthetic technique and postoperative analgesia on the cancer recurrence rate after open radical prostatectomy. The results suggesting that epidural anesthesia/analgesia lowers the rate of recurrence are certainly intriguing; however, we are concerned with the lack of detailed information presented in ...

not intervention but participation

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trigeminal neuralgia-divided but not classified

Maelstrom Research guidelines for rigorous retrospective data harmonization

Background It is widely accepted and acknowledged that data harmonization is crucial: in its absence, the co-analysis of major tranches of high quality extant data is liable to inefficiency or error. However, despite its widespread practice, no formalized/systematic guidelines exist to ensure high quality retrospective data harmonization. Methods To better understand real-world harmonization ...

ramadan fasting decreases body fat but not protein mass

conclusions ramadan fasting resulted in weight loss even it was only a temporary effect, as the weight was quickly regained within one month after fasting. the catabolism catabolic state, which is related to protein loss, was not triggered during ramadan fasting. further research is needed to evaluate the effects of weight loss during ramadan fasting in healthy individuals. results by the 28th ...