Table 1    Subject demographics and clinical pain and psychopathology Data
	FMS(n=46)	         HC（n=36）	P-value	
	Mean±SD	Mean±SD		
Demography 						
Gender						
male	3	3		
female	43	33	1.000	
Age（year）	46.30±12.36	46.25±12.24	0.984	
Marital staus						
married	38	31		
spinsterhood	8	5	0.766	
Total schooling year	13.46±4.33	12.78±4.59	0.495	
Occupation					
Manual labor	20	10	0.342	
brainwork	14	14	0.337	
jobless	12	12	0.205	
Clinical pain data						
VAS	5.11±1.35	                        -		-	
Pain duration（month）	73.00±108.63	                        -		-	
Psychopathology						
SDS	46.38±12.45	37.69±10.11	0.001	
SAS	51.96±9.66	43.92±12.10	0.001	
HAMD	11.52±8.29	2.39±1.69	0.000	
HAMA	14.83±5.80	3.03±2.16	0.000	
PSQI	9.54±3.56	1.75±1.32	0.000	
MoCA	26.61±4.46	29.06±0.71	0.002	
Paired t-tests and chi-square tests were used to test for differences between groups; FMS = Fibromyalgia syndrome; VAS = Visual Analogue Scale; SDS = Self-rating depression scale; SAS = Self-Rating Anxiety Scale; HAMD = Hamilton Depression Scale; HAMA = Hamilton Anxiety Scale; PSQI = Pittsburgh sleep quality index; MoCA = Montreal Cognitive Assessment.