Table 1. Patient Demographics.

	All	Percutaneous SCS	Paddle SCS
Overall - no. (%)	8,326 (100.0)	5,458 (65.55)	2,868 (34.45)
Female - no.(%)	5,142 (61.76)	3,417 (62.61)	1,725 (60.15)
Age - mean (SD)	54.4 (13.19)	54.5 (13.33)	54.2 (12.92)
Insurance - no. (%)
COMMERCIAL	5,577 (66.98)	3,713 (68.03)	1,864 (64.99)
MEDICAID	1,125 (13.51)	655 (12.00)	470 (16.39)
MEDICARE	1,624 (19.51)	1,090 (19.97)	534 (18.62)
Follow Up Days - mean (SD)	703.4 (584.06)	724.6 (592.23)	663.0 (566.10)
Charlson Comorbidity Index - no. (%)
0	7,709 (92.59)	5,125 (93.90)	2,584 (90.10)
1	491 (5.90)	250 (4.58)	241 (8.40)
2	121 (1.45)	80 (1.47)	41 (1.43)
3 or higher	5 (0.06)	3 (0.05)	2 (0.07)