Table 1 Demographic and clinical variables of the whiteCAT cohort.

	Patients with catatonia (n = 45)	Patients without catatonia (n = 56)	t	D	Sig. (2-tailed)
Age	37.58 ± 14.54	35.62 ± 12.39	0.73	99	0.4679
Sex (m / w)	30.00/15.00	30.00/26.00		1	7.33
Education	12.98 ± 2.73	14.18 ± 2.89	−2.13	99	0.0359
OLZe	9.67 ± 10	8.81 ± 10.63	0.42	99	0.6774
FLXe	21.81 ± 25.68	20.93 ± 25.34	0.17	99	0.8646
PANSS_total	70.07 ± 14.74	56.16 ± 14.82	4.70	99	<0.001
PANSS_positive	14.49 ± 6.09	12.50 ± 5.04	1.80	99	0.0755
PANSS_negative	19.36 ± 6.63	13.71 ± 5.73	4.59	99	<.0.001
PANSS_global	36.22 ± 7.17	29.95 ± 7.29	4.33	99	<.0.001
BPRS_total	42.82 ± 9.74	35.00 ± 9.56	4.05	99	<.0.001
GAF	43.00 ± 10.65	52.96 ± 14.15	−3.92	99	<.0.001
CGI-S	3.84 ± 1.92	2.98 ± 1.58	2.48	99	0.015
NCRS_motor	2.53 ± 2.96	0.27 ± 0.65	5.57	99	<.0.001
NCRS_affective	4.62 ± 2.53	1.84 ± 1.56	6.80	99	<.0.001
NCRS_behavioral	3.62 ± 1.84	1.36 ± 1.20	7.46	99	<.0.001
NCRS_total	10.78 ± 4.96	3.46 ± 2.42	9.70	99	<.0.001
BFCRS_total	3.09 ± 2.35	0.79 ± 1.25	6.31	99	<.0.001
SAS	5.11 ± 3.65	1.77 ± 1.33	6.35	99	<.0.001
AIMS	3.84 ± 4.49	1.25 ± 1.97	3.89	99	<.0.001
BARS_global	0.89 ± 1.01	0.38 ± 0.62	3.15	99	0.002

The t and p values (2-tailed) were obtained using an independent samples t-test between patients with and without catatonia. The p values for distribution of sex were obtained by chi-square test.
OLZe Olanzapine equivalents, FLXe Fluoxetine equivalents, PANSS Positive and Negative Syndrome Scale, BPRS Brief Psychiatric Rating Scale, GAF Global Assessment of Functioning, CGI-S Clinical Global Impression Schizophrenia, NCRS Northoff Catatonia Rating Scale, BFCRS Bush Francis Catatonia Rating Scale, SAS Simpson and Angus Scale, AIMS Abnormal involuntary movements scale, BARS Barnes Akathisia Rating Scale.

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