Table 1.

Demographics for patients in the LSB cohort

	Back Pain		Abdominopelvic Pain		Leg Pain
	No.	%	No.	%	No.	%
Sex	12		17		95
Female	2	17	10	59	52	55
Male	10	83	7	41	43	45
Level	12		17		95
L2	4	33	7	41	26	27
L3	8	67	10	59	69	73
Overall Outcome	10		14		71
Effective	8	80	11	79	51	72
Ineffective	2	20	3	21	20	28

All data points with lumbar sympathetic blockade at L2 or L3.