Egyptian Journal of Neurosurgery

Table 3 Comparison between preoperative VAS and at different periods of follow-up

From: Pulsed radiofrequency in the management of lumbar radicular pain: initial experience

	Preoperative	2 weeks P.O	3 month P.O	6 monthP.O
Range
Mean	50–95	20–85	20–85	20–85
S.D	71.0 ± 14.38	41.75 ± 20.02	43.0 ± 19.36	43.5 ± 21.47
P value		0.001*	0.001*	0.001*

^*Significant at level 0.05

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