Hello, The National percentage of rejected kidney transplants is currently at 9 percent, This is an average of the medical field, Some hospitals are slightly higher and some lower. This is random and has no bearing on that particular hospital. The best way to answer your second question is to link you to a site from a kidney transplant doctor, He has produced a webpage in Frequently Asked question format that will answer many of your questions about the procedure, before, during, and after
Here is the link to the page
If you are thinking of becoming a donor, let me just say how thoughtful of an act this is, it is so brave and such a warm hearted action.
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Thank You and have a good day, Good Luck!