Table 5.

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
Fusiform gyrus	R	-0.047	0.751	-0.005	0.970	-0.035	0.812	-0.138	0.351	0.025	0.867	0.008	0.956
Lingual gyrus	L	-0.011	0.942	-0.130	0.380	-0.285	0.049	-0.248	0.089	-0.179	0.224	-0.157	0.287
Lingual gyrus	R	-0.036	0.807	-0.107	0.470	-0.255	0.081	-0.257	0.078	-0.046	0.755	-0.041	0.781
Middle temporal gyrus	L	-0.068	0.645	-0.106	0.473	-0.184	0.210	-0.076	0.609	-0.007	0.964	-0.038	0.797
Cuneus	R	-0.029	0.847	-0.087	0.554	-0.130	0.378	-0.323	0.025	-0.209	0.154	-0.064	0.667

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