Personally, I don't thinkthisistoobigof a concern, giventhatbothgroupslost a relativelysimilaramountofoverallfat, butitissomethingthatwould'vemadethestudy a lotstronger.
So I wouldthink, yes, theabdominalexercisedoesmatter.
Soif I wasdesigning a routinetobettertargetbellyfat, I'd usedirectweightedabsexercisescombinedwithlowtomoderateintensitycardio, whichcouldlooksomethinglikethis.
I'llbehonestthough, I'm stillnot 100% convincedandneitherwasBillwhen I spoketohim.