Table 8:

Functional Disability ODI Scores, SURF Study

	10-kHz High-Frequency SCS	Comparator SCSa
Baseline	53	55
1 month	29	33
3 months	31	37
6 months	29	31
Mean change, baseline to 6 months (% change)	24 (45)	24 (44)

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

^aComparator SCS protocols included low-frequency, burst, and 1.2–1.5 kHz moderate-frequency.

Source: Bolash et al, 2019.²⁸