I got 2 DEXA scans in the same day, within 1hr of each other, from 2 different machine manufacturers (Hologic Horizon, GE Lunar)
One said I was 5% bodyfat, the other said I was 11% bodyfat:
https://old.reddit.com/r/QuantifiedSelf/comments/1u6ok9b/sam...
Take that for what you will...