Table A6:

Functional Disability, SENZA-RCT Study

ODI Severity, %		10-kHz High-Frequency SCS	Conventional SCS	Differencea
Baseline	Minimal	0.0	0.0	0.0
	Moderate	8.9	1.2	7.7
	Severe	71.1	76.5	−5.4
	Crippling	20.0	22.2	−2.2
3 months	Minimal	16.9	6.2	10.7
	Moderate	51.7	45.7	6.0
	Severe	28.1	45.7	−17.6
	Crippling	3.4	2.5	0.9
6 months	Minimal	16.9	11.1	5.8
	Moderate	46.1	33.3	12.8
	Severe	31.5	50.6	−19.1
	Crippling	5.6	4.9	−0.7
12 months	Minimal	16.9	8.6	8.1
	Moderate	46.1	37.0	9.1
	Severe	34.8	44.4	−9.6
	Crippling	2.2	9.9	−7.7
24 months	Minimal	23.5	9.9	13.6
	Moderate	41.2	39.4	1.8
	Severe	30.6	42.3	−11.7
	Crippling	4.7	8.5	−3.8

Abbreviations: ODI, Oswestry Disability Index; SCS, spinal cord stimulation.

^aCrude differences calculated for this health technology assessment.

Source: Kapural et al, 2015.³⁰