Table 1 Demographical and clinical characteristics of three groups.

From: Aberrant perfusion and its connectivity within default mode network of first-episode drug-naïve schizophrenia patients and their unaffected first-degree relatives

Characteristics

SZ patients (n = 45)

Unaffected relatives (n = 32)

HCs (n = 51)

Age (years)

26 ± 6

28 ± 5

27 ± 4

Sex (male/female)

25/20

23/9

32/19

Ethnicity

Han (Chinese)

Han (Chinese)

Han (Chinese)

Education (years)

13 ± 2*,#

14 ± 2

15 ± 2

Handedness (right/left)

45/0

32/0

51/0

Smoking status (smoker/nonsmoker)

11/34

8/24

18/33

PANSS Positive Score

24 ± 8

PANSS Negative Score

23 ± 7

PANSS General Psychopathology Score

49 ± 8

PANSS Total Score

96 ± 18

  1. * P < 0.05 versus unaffected relatives; # P < 0.05 versus HCs.