Table 1.

Outcome questionnaire data

	Pre-treatment	1-month	3-month	6-month	12-month	18-month	24-month	3-year	4-year	5-year	6-year
Mean SANE rating		42	47	51	45	51	43	60	57	56	53
Mean NPS change score	5.2	1.5	1.6**	1.4	0.6	2	1.2	2*	2.5**	3.7**	3.3*
Mean FRI change score	61	19	20**	17	4.9	17	17	12	19	35**	30

Outcome questionnaire data for baseline and all post-treatment time points up to 6 years. Includes scores for modified SANE rating (post-treatment only), numeric pain score (NPS), and functional rating index (FRI). Statistical difference from baseline mean: * p < 0.1, ** p < 0.05