NT-proBNP – Strong Independent Predictor of AF Posted on November 1, 2009 N-Terminal Pro-B-Type Natriuretic Peptide Is a Major Predictor of the Development of Atrial Fibrillation. The Cardiovascular Health Study NT-proBNP level is a strong independent predictor of AF. Share this:ShareFacebookRedditEmailDiggStumbleUponTwitterLike this:LikeBe the first to like this post.