That may be because the successes are out there working, playing, and living their lives. Satisfied people seldom complain or post to support groups; they're not the ones who need the support.

However the rate of failures is alarming. Back surgery is the only surgery I'm aware of that has such a high rate of failure that it has a condition specifically named for it—Failed Back Surgery Syndrome.

The back/spine is particularly tricky because, like anything else mechanical that is prone to failure, it has so many moving parts.

Doc