Clinical Efficacy of Pulsed Radiofrequency Combined with Intravenous Lidocaine Infusion in the Treatment of Subacute Herpes Zoster Neuralgia

Table 2

Comparison of VAS scores between two groups of patients at different times.

	T0	T1	T2	T3	T4	T5
Control	7.21 ± 1.15	2.47 ± 0.75^a	3.25 ± 0.46^a	2.37 ± 0.75^a	3.12 ± 0.61^a	3.03 ± 0.82^a
Treated	7.46 ± 1.07	2.12 ± 0.15^a	2.85 ± 0.14^ab	1.65 ± 0.48^ab	1.59 ± 0.498^ab	1.43 ± 0.504^ab
t value	0.635	2.223	5.240	3.652	7.780	8.980
value	>0.05	<0.001	0.092	0.0002	<0.0001	<0.0001

Note. Comparison with T₀, ^a; comparison with simultaneous point A group^b.