My mother fell last year and broke her hip. The surgeon recommended hip surgery but she is scared. What should we do?

my mother is 77 years old, fell last july in 2011 ,broke her hip ,reconstruction done for her she was depressed after that because she was independent having good legs, but not anymore.she was using cane after physical therapy ,and bone was healing, all of the sudden the hip damaged and needs replacement as the surgen recommends.she is diabetic but not over wieght, in good health,but she is scared to do the surgery .

what is your advice
thanks