Table 1 Comparison of clinical data between patients with MDD and HCs.

From: The association between gut microbiota and functional connectivity in cognitive impairment of first-episode major depressive disorder

Variable

MDD (n = 60)

HCs (n = 34)

X2/T/Z

p

Sex (Male/Female)

22/38

15/19

0.505

0.515

Age (years)

23.6 ± 3.1

22.9 ± 2.7

1.035

0.303

Education (years)

15 (13,15)

16 (14,16)

−2.582

0.010

BMI (kg/m²)

20.8 ± 3.2

22.4 ± 4.1

−1.940

0.052

Disease Duration (month)

11.3 ± 8.9

-

-

-

HAMD scores

23.0 ± 4.4

-

-

-

Processing Speed

33.4 ± 10.6

47.9 ± 11.9

1.872

<0.001

Attention/Vigilance

35.5 ± 9.9

43.1 ± 8.1

2.234

<0.001

Working Memory

40.5 ± 11.5

49.2 ± 10.3

0.376

<0.001

Verbal Learning

37 ± 9.1

43 ± 8.2

0.716

0.002

Visual Learning

41.5 ± 7.5

47.4 ± 7.7

0.208

0.002