Analysis of pain relief degree

Degree Postoperative 3 mo Postoperative 6 mo Postoperative 1 yr Postoperative 2 yr
CRF DCRF CRF DCRF CRF DCRF CRF DCRF
CR 8 4 7 6 4 6 3 7
PR 10 12 11 10 15 10 13 11
MR 9 3 8 3 8 2 10 1
NR 3 0 4 0 3 1 4 0
The marked rate (%) 60.00 84.21 60.00 84.21 63.33 84.21 53.33 94.74
P value 0.073 0.073 0.115 0.002
The total effective rate (%) 90.00 100 86.67 100 90.00 94.74 86.67 100
P value 0.273 0.148 0.999 0.148

The marked rate (%) = [(CR + PR)/n] × 100%. The total effective rate (%) = [(CR + PR + MR)/n] × 100%.

CRF: radiofrequency thermocoagulation, DCRF: double neddles radiofrequency thermocoagulation, CR: complete relief, PR: partial relief, MR: mild relief, NR: unresponsive relief.

Korean J Pain 2022;35:114~123 https://doi.org/10.3344/kjp.2022.35.1.114
© Korean J Pain