You have to understand that Penn State takes their applicants seriously. This isn't a mill like UVA where they throw you out for bad scores or for breathing wrong, and this isn't like Drexel where they have 10 million applicants and poor organization. As a reference, I interviewed last year at Drexel early February and didn't hear back until late May and early June - and I was an immediate acceptance (no WL there).
I personally can attest that there is a panel - of majority physicians- who sit and deliberate on each and every one of you - carefully, thoroughly, and intentionally. I know several of them - they care a lot. To even get an interview you have to be individually presented to the committee and defended by a committee member. I know this because I shadowed the man who presented me and defended me to the committee.
They care a lot which is why the process takes a while. There's no definitive answers because the committee doesn't operate on one formula like a lot of other schools.
I know it's really frustrating, but take heart and hope!
I'm just an incoming student here but I can actually attest to the committee member defending you! Mine reached out to me via email and told me they were the one who presented me to the committee! They were super nice and just that interaction told me that a lot of the school's faculty must be the same