Table 2.

Clinical characteristics of the three subgroups.

	G1	G2	G3	p-value
	Median (1st quantile – 3rd quantile)
Number of subjects	60	45	52
Age	33.85 (26.38–39.29)	26.52 (21.58–32.75)	28.69 (24.05–34.44)	0.020 §
Sex (male %)	86.67%	82.22%	55.77%	<0.001†
Height (m)	1.76 (1.72–1.82)	1.79 (1.72–1.85)	1.75 (1.66–1.81)	0.058 §
Duration of illness (weeks)	24.12 (3.73–137.08)	12.17 (3.03–32.5)	10.88 (2.04–59.64)	0.202 §
Age of onset	24.89 (21.97–31.91)	23.77(20.07–45.89)	24.97 (20.14–31.50)	0.5829 §
ICV (range: 0–1)	0.57 (0.45–0.65)	0.52 (0.41–0.63)	0.48 (0.34–0.56)	0.003 §
Total brain volume (range: 0–1)	0.51 (0.435–0.602)	0.48 (0.41–0.60)	0.445 (0.28–0.83)	0.015§
Education (years)	10 (9–13)	10 (10–13)	10 (9–10.5)	0.01 §
PANSS-POS	16.5 (11.75–22)	20 (14–26)	18 (13–24)	0.323 §
PANSS-NEG	23.5 (14–29)	25 (13–31)	23 (12.5–30.5)	0.851 §
PANSS-GEN	38.5 (30.75–50.5)	39 (30–54)	41 (28.75–55)	0.853 §
Medication (CPZ equivalent)	250 (160–450)	250 (200–456.25)	200 (100–400)	0.7168 §
Missing information	15 missing	6 missing	11 missing

^§by Kruskal–Wallis test;

^†χ² test