Table 1 Demographic of participants.

From: Shared and unique alterations of large-scale network connectivity in drug-free adolescent-onset and adult-onset major depressive disorder

 

Adolescents Adults

P value (two-tailed)

 

MDD

HC

MDD

HC

Age (median, range)

15.0 (12–17)

14.0 (12–17)

29.0 (25–46)

28.0 (25–47)

0.489/0.257b

Sex (male/female)

10/36

10/9

11/24

24/32

0.050

Education levela

34/12

14/5

7/20/8

6/24/26

0.771/0.07c

HAMD-17

21.33 ± 5.10

21.49 ± 3.57

0.875

HAMD-factor 1

5.85 ± 2.05

4.63 ± 1.78

0.006

HAMD-factor 2

0.39 ± 0.80

0.63 ± 0.88

0.129

HAMD-factor 3

4.96 ± 2.11

3.94 ± 1.61

0.011

HAMD-factor 4

12.02 ± 4.60

6.86 ± 1.44

0.000

HAMD-factor 5

2.57 ± 1.91

2.94 ± 1.51

0.291

The number of episodes

1.13 ± 0.34

1.74 ± 1.60

0.002

the duration (month)

16.67 ± 15.40

48.60 ± 72.84

0.025

FD power

0.12 ± 0.06

0.13 ± 0.05

0.11 ± 0.05

0.11 ± 0.04

0.454

(mean ± 3 s.t.d, mm)

  1. aEducation level of adolescents was divided into two categories: junior high school/senior high school: education of adult groups was divided into three categories: junior and senior high school/bachelor’s degree/master’s degree and above.
  2. bP value of Mann–Whitney test in adolescent groups/P value of Mann–Whitney test in adult groups.
  3. cP value of Chi-square test in adolescent groups/P value of Chi-square test in adult groups.