Usted no es el padre!
So...who is the father? :v
Why not, "The result from the analysis was negative?"
When you go to the doctor and he checks you for one thing, you get the results. So it seems natural to me to say... The results of the analysis were negative.
Crowns are for clowns, bring back old DuoLingo!
They do not accept "outcome of the analysis", though they obviously should.