Your question is Reconciling Conflicting Statistical Evidence. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You are reviewing two analyses of the same outcome, and they point in different directions. One source suggests improvement, while another suggests deterioration after a change in measurement or population mix.
How do you approach data interpretation when faced with conflicting information?