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.
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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