Table 3.

The correlation between the different brain regions in sALFF and the VAS, duration among different times after triggering the pain in patients with CTN

Brain region	Side	Duration						VAS
		baseline		triggering-5 s		triggering-30 min		baseline		triggering-5 s		triggering-30 min
		r	P	r	P	r	P	r	P	r	P	r	P
Superior temporal gyrus	L	0.266	0.068	0.253	0.083	0.147	0.319	0.106	0.474	0.251	0.085	-0.019	0.898
Middle temporal gyrus	R	-0.281	0.053	-0.134	0.364	-0.099	0.505	0.095	0.520	0.102	0.489	0.204	0.164
Middle occipital gyrus	L	0.246	0.091	0.078	0.600	0.176	0.232	-0.157	0.286	-0.168	0.254	-0.265	0.069
Thalamus	R	-0.065	0.660	-0.142	0.337	-0.225	0.124	-0.243	0.096	-0.216	0.141	-0.227	0.120
Middle occipital gyrus	R	0.159	0.280	0.108	0.464	0.183	0.214	-0.206	0.160	-0.226	0.123	-0.196	0.183
cuneus	R	0.157	0.286	0.001	0.996	0.036	0.808	-0.358	0.013	-0.283	0.051	-0.210	0.152
Posterior cingulate cortex	L	-0.014	0.925	-0.064	0.668	-0.011	0.943	-0.356	0.013	-0.593	0.000	-0.424	0.003
Superior frontal gyrus	L	-0.060	0.686	0.004	0.976	0.031	0.836	0.405	0.004	0.192	0.192	0.231	0.114
Superior frontal gyrus	R	-0.223	0.127	-0.132	0.372	-0.105	0.477	0.320	0.027	0.182	0.216	0.215	0.142

sALFF Static amplitude of low-frequency fluctuation, VAS Visual Analogue Scale, CTN Classical trigeminal neuralgia, L Left, R Right