What Is The Worst Possibility For A Leg Screw Infection?

a plete was implented in my right leg.and it has been removed on 20th dec due to an infection in an screw .doctor told me for pus culture and i had already sent the sample.i want to know about this,and infection continued for max 5 months.i have taken zenocine od 400,clid 300,zocef cv-500.please tell me about the worst posibility?