Comparison of the Efficacy and Safety of Temporary Spinal Cord Stimulation versus Pulsed Radiofrequency for Postherpetic Neuralgia: A Prospective Randomized Controlled Trial

Table 7

Comparison of efficiency rates between the SCS (n = 20) and PRF cohorts.

ER (N/%)	SCS cohort	PRF cohort	-value^#
Postsurgery	95	60	<0 : 001
1 week	85	50	<0 : 001
1 month	90	50	<0 : 001
3 months	100	65	<0 : 001
6 months	100	65	<0 : 001

SCS: spinal cord stimulation; PRP: pulsed radiofrequency; ER: efficiency rate; ^#-value comparison via post hoc or Wilcoxon signed-rank test.