Table 1.

Sample characteristics of first-episode psychosis (FEP) patients with clozapine use compared to those without.

	Clozapine Use
Characteristic	No, N = 1207a	Yes, N = 191a	T/${\chi }^2$	p-valueb	q-valuec
Age at first service contact	21.91 (3.41)	20.27 (3.30)	6.4	<0.001	<0.001
Sex			0.10	0.8	0.8
Male	617 (51%)	100 (52%)
Female	590 (49%)	91 (48%)
Years of education	10.82 (2.39)	10.14 (2.19)	3.9	<0.001	<0.001
Diagnosis			39	<0.001	<0.001
Schizophrenia	775 (64%)	166 (87%)
Other diagnoses of psychotic disorders	432 (36%)	25 (13%)
Age of illness onset	20.76 (3.47)	19.26 (3.38)	5.7	<0.001	<0.001
Treatment			3.8	0.052	0.072
Early Intervention	616 (51%)	83 (43%)
Standard Care	591 (49%)	108 (57%)
DUP days (log)	4.13 (1.87)	4.25 (1.60)	−0.93	0.4	0.4

^aMean (SD); n (%).

^bWelch Two Sample t-test; Pearson’s Chi-squared test.

^cFalse discovery rate correction for multiple testing.

The bold values are significant value after the false discovery rate correction for multiple testing.