To the Editor Torgerson and colleagues are to be congratulated in addressing the effect on their meta-analysis of trials of vitamin K and fractures following the recognition that 3 of 7 contributing trials are problematic.1 However, we are concerned that the conclusions of the updated article are no longer consistent with the results of the updated analysis presented in their Figure 4.
Identify all potential conflicts of interest that might be relevant to your comment.
Conflicts of interest comprise financial interests, activities, and relationships within the past 3 years including but not limited to employment, affiliation, grants or funding, consultancies, honoraria or payment, speaker's bureaus, stock ownership or options, expert testimony, royalties, donation of medical equipment, or patents planned, pending, or issued.
Err on the side of full disclosure.
If you have no conflicts of interest, check "No potential conflicts of interest" in the box below. The information will be posted with your response.
Not all submitted comments are published. Please see our commenting policy for details.
Grey A, Avenell A, Bolland M. Revised Meta-analysis of Vitamin K and Fractures. JAMA Intern Med. 2018;178(8):1135. doi:10.1001/jamainternmed.2018.2853
Customize your JAMA Network experience by selecting one or more topics from the list below.
Create a personal account or sign in to: