Table 2.

Univariate logistic regression of the demographic and baseline clinical factors associated with treatment outcomes for genicular radiofrequency denervation

Variable	Odds ratio	95% CI	P value
Age (yr)	1.02	0.980, 1.040	0.440
Female Male	1.22 1 (Ref)	0.685, 2.180	0.498
Smoker Non smoker	1.14 1 (Ref)	0.621, 2.100	0.667
Employed Unemployed (retired, housewives, etc)	1.30 1 (Ref)	0.706, 2.410	0.396
Obese Non-obese	0.905 1 (Ref)	0.506, 1.610	0.735
Depression No depression	0.243 1 (Ref)	0.112, 0.527	< 0.001
Prior knee surgery None prior knee surgery	0.659 1 (Ref)	0.364, 1.190	0.169
Opioid use Yes No	1 (Ref) 2.817	1.553, 5.110	< 0.001
Duration of pain (yr)	0.98	0.910, 1.060	0.595
Degree of degeneration KL ≤ 2 KL > 2	0.584 1 (Ref)	0.328, 1.040	0.068
Baseline NRS score	0.75	0.588, 0.958	0.021

P value compares positive outcome vs. negative outcome.

CI: confidence intervals, KL: Kellegren–Lawrence, NRS: numerical rating scale.