Ah man that sucks! Wishing you a speedy recovery. I am sure you will be back on your bike before a year, that's based on sedentary "average" folk, but do take things slowly.
I will also double recommend these two points below:
Originally Posted by
downtube42
Get on the stationary bike as soon as allowed. Don't overdo it, but you're the judge of that. Don't move what you're not supposed to move, but move everything else in every way you can.
Do everything your PT recommends, as often as recommended. Make sure the PT knows your long term intentions.
Movement, no matter how minimal, is key!