Liklihood of RFA working after positive MBB

Just asking what you typically tell patients regarding efficacy or likelihood of improvement of RFL after they have had a positive MBB (or two). 80%? 90%? I personally have been doing just one MBB, most of patients are manual labor/industry guys with low back pain and have a hard time getting out of work for multiple appointments, and most insurers in my area only require 1 MBB. Just wondering if you have a certain speil regarding likelihood of RFA working in the lumbar spine after a + diag... Liklihood of RFA working after positive MBB
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Source Type: forums