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. Author manuscript; available in PMC: 2025 May 1.
Published in final edited form as: Psychiatry Res. 2024 Mar 22;335:115871. doi: 10.1016/j.psychres.2024.115871

Table 1.

Demographic and clinical characteristics

All Subjects (N=53) SSD (n=30) HV (n=23) P-value

Age, mean (SD) 37.4(11.0) 36.8 (11.9) 38.1 (10.1) 0.69
Male, n (%) 37(69.8) 23 (76.7) 14(60.9) 0.21
Race 0.68
 Black, n (%) 26(49.1) 15(50.2) 11(47.8)
 White, n (%) 14(26.4) 6(20.0) 8(34.8)
 Hispanic, n (%) 4(7.6) 3(10.0) 1(4.4)
 Asian, n (%) 2(3.8) 1(3.3) 1(4.4)
 Other, n (%) 7(13.2) 5(16.7) 2(8.7)
BPRS total score, mean (SD) NA 30.0 (9.6)[25] NA NA
Diagnoses
 Schizophrenia, n (%) NA 20(66.7) NA NA
 Schizoaffective, n (%) NA 6(20.0) NA NA
 Psychotic Disorder NOS, n (%) NA 4(13.3) NA NA
BMI, mean (SD) 28.3(6.5)[46] 30.0(8.1)[25] 26.3(2.9)[21] 0.04
THC+ 4(8.0) [50] 4(14.3)[28] 0(0.0)[22] 0.07
Number of Hospitalizations, median (IQR) NA 4(2–6.5) NA
Length of Illness, median years (IQR) NA 16.2(2.1–25–7) NA NA
Medications
 Antipsychotics, n (%) NA 22(100)[22] NA NA
 Antidepressants, n (%) NA 9(40.9)[22] NA NA
 Mood stabilizers, n (%) NA 3(13.6)[22] NA NA
 Benzodiazepines, n (%) NA 8(36.4)[22] NA NA
MCCM composite score, mean(SD) 34.0(17.0) 25.1(16.1) 44.5(11.3) <0.0001

SSD: Schizophrenia spectrum disorder; HV: healthy volunteer; NOS: Not Otherwise Specified; BPRS: Brief Psychiatric Rating Scale; THC: tetrahydrocannabinol; MCCB: MATRICS Consensus Cognitive Battery; ^Wilcoxon rank sum test; [ ] = Number of subjects with available data if different from group total