Table 11:

Global Impression of Change, De Andres et al

Global Impression of Changea	10-kHz High-Frequency SCS	Conventional SCS	Differenceb
Patient Rating
3 months	2.35 ± 0.80	2.55 ± 0.87	−0.2
6 months	3.08 ± 1.55	3.00 ± 1.16	0.08
12 months	3.31 ± 1.12	3.11 ± 1.42	0.2
Physician Rating
3 months	1.62 ± 0.50	1.66 ± 0.67	−0.04
6 months	2.27 ± 1.25	1.93 ± 0.92	0.34
12 months	2.23 ± 0.82	2.07 ± 1.12	0.16

Abbreviation: SCS, spinal cord stimulation.

^bMeasured using a 7-point Likert scale: a great deal better, better, moderately better, somewhat better, a little better, almost the same, no change.

^aCrude differences calculated for this health technology assessment.

Source: De Andres et al, 2017.²⁹