Table 2 Characteristics of male and female FEDN patients with schizophrenia

Age (years)^a

28.62 ± 8.05

26.83 ± 6.95

1.677

0.198

Education (years)^a

12.18 ± 2.00

12.27 ± 2.02

0.057

0.812

BMI (kg/m²)^a

24.52 ± 3.48

24.71 ± 2.34

0.115

0.735

Duration of illness (years)^a

2.22 ± 2.18

1.75 ± 1.35

1.999

0.160

Age at onset (years)^a

26.40 ± 6.72

25.08 ± 6.37

1.198

0.276

PANSS positive subscale^a

25.67 ± 7.81

30.19 ± 6.06

12.421

0.001

PANSS negative subscale^a

20.12 ± 7.65

12.00 ± 4.85

47.550

 < 0.001

PANSS general subscale^a

31.68 ± 6.21

18.58 ± 6.95

117.764

 < 0.001

PANSS total score^a

77.47 ± 9.60

60.76 ± 14.48

55.211

 < 0.001

Hcy (μmol/L)^b

21.95 (16.25, 29.03)

19.10 (14.90, 23.80)

7.717

0.006