I have not read and do not expect to read the entire guides, but it is interesting CAC is now included. I believe this is not based on RCT, but observational data. I do find CAC compelling. It was just a short time ago that many were downplaying CAC in the film 'Widowmaker'.
It was on Netflix. A shorter version is on YT.
Here is a review.
The Widowmaker
Review: ‘The Widowmaker,’ a Heart Care Documentary
By now the average health care consumer perhaps understands that treatment recommendations from a doctor may be influenced by research grants, financial interests and other personal entanglements. “The Widowmaker,” a documentary by Patrick Forbes, takes a lengthy look at that phenomenon as it relates to heart attacks, promoting the coronary calcium scan, a noninvasive procedure that faced years of resistance because the medical establishment preferred the surgically implanted stent. The film’s only problem is that it may leave you so skeptical that you’re not sure you’re getting the unbiased story on the scan, either.
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