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Episode 484: PREMIUM – Vitamin D for respiratory infections and overestimating diagnoses

In episode 484, Mike and James go PREMIUM on two topics that annoy them – Vitamin D and interpretation of tests. We find there is no value to using Vitamin D to prevent acute respiratory infections and that as health care providers we overestimate the probability of diagnoses before and after testing.

Show notes

1) Vitamin D supplementation to prevent acute respiratory infections: a systematic review and meta-analysis of aggregate data from randomised controlled trials 

Lancet Diabetes Endocrinol 2021; 9: 276–92 

2) Accuracy of Practitioner Estimates of Probability of Diagnosis Before and After Testing 

JAMA Intern Med. doi:10.1001/jamainternmed.2021.0269 

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