TABLE 1.

The demographic information of subjects in the present study

Wuxi	All–HC (n = 97)	Matched–HC a (n = 69)	SZ (n = 69)	p value
Age	40.36 ± 14.77	45.84 ± 11.89	46.06 ± 10.96	.9112 b
Gender (M\F)	56\41	35\34	35\34	1 c
Mean FD	0.0897 ± 0.0897	0.0842 ± 0.0526	0.0964 ± 0.1048	.2209 d
Disease duration	—	—	19.84 ± 10.96	—
PANSS positive	—	—	20.06 ± 4.59	—
PANSS negative	—	—	23.78 ± 3.84	—
PNASS general	—	—	41.67 ± 5.27	—
PNASS total	—	—	85.51 ± 9.50	—

Note: Data are expressed as mean ± SD.

Abbreviations: SD, standard deviation; FD, framewise displacement indicating the head motion; PANSS, Positive and Negative Syndrome Scale; HC, healthy controls; SZ, patients with schizophrenia.

^a The equivalent number of healthy controls were randomly extracted from the HC group and matched for the gender and age with the SZ group, which were utilized in the following group comparisons.

^b Two‐sample t‐test.

^c Chi‐square cross‐table test.

^d Permutation test.