Clinical characteristics of patients

Variable CRF DCRF P value
Age 70.8 ± 10.2 72.7 ± 8.0 0.147
Sex 0.933
Male 17 11
Female 13 8
Incidence of painful area (%)
T1 1 0
T2 3 4
T3 5 6
T4 5 7
T5 11 4
T6 14 4
T7 17 3
T8 14 6
T9 8 3
T10 5 7
T11 3 6
T12 2 6
The length of painful time (mo) 10.7 ± 17.5 8.6 ± 6.8 0.228
NRS score before surgery 5.5 ± 1.0 5.3 ± 0.7 0.083

Values are presented as mean ± standard deviation or number only.

CRF: radiofrequency thermocoagulation, DCRF: double neddles radiofrequency thermocoagulation, NRS: numerical rating scale.

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