Table 1.
Demographics and clinical characteristics of FEDN patients with schizophrenia and healthy controls
| FEDN (n = 119) | HC (n = 81) | F/χ2 | P | |
|---|---|---|---|---|
| Age (years)a | 27.73 ± 7.54 | 25.95 ± 6.56 | 2.979 | 0.086 |
| Sex (M/F) | 60/59 | 42/39 | 0.040 | 0.842 |
| Education (years)a | 12.23 ± 2.00 | 12.57 ± 2.31 | 1.235 | 0.268 |
| Smoking (Yes/No) | 25/94 | 13/68 | 0.770 | 0.380 |
| BMI (kg/m2)a | 24.62 ± 2.96 | 24.30 ± 2.39 | 0.609 | 0.436 |
| Duration of untreated illness (years)a | 1.99 ± 1.83 | |||
| Age at onset (years)a | 25.75 ± 6.56 | |||
| PANSS positive subscorea | 27.91 ± 7.33 | |||
| PANSS negative subscorea | 16.09 ± 7.58 | |||
| PANSS general subscorea | 25.18 ± 9.29 | |||
| PANSS total scorea | 69.18 ± 14.81 | |||
| Hcy (μmol/L)b | 19.80 (15.51, 16.40) | 13.01 (11.65, 16.55) | 46.865 | < 0.001 |
FEDN first-episode drug-naïve, HC healthy control, BMI body mass index, PANSS Positive and Negative Syndrome Scale, Hcy homocysteine
aThe data were expressed as the mean ± standard deviation
bThe data were expressed as the median (25th quartile and 75th quartile). Significant difference (P < 0.05) is indicated in bold