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Table 2 Comparison of diagnostics between OCD and non-OCD in first episode psychosis

From: Prevalence and clinical characteristics of patients with obsessive-compulsive disorder in first-episode psychosis

Diagnostics OCD (N=26) N (%) Non-OCD (N=220) N (%) P-value
Schizophrenia spectrum disorders 5 (19) 87 (40) .043*
Schizophrenia 0 (0) 52 (24)  
Schizophreniform disorder 2 (8) 10 (5)  
Schizoaffective disorder 3 (12) 25 (11)  
Brief psychosis 0 13 (6)  
Delusional disorder 2 (8) 19 (9)  
Affective psychosis MID 10 (38) 45 (20)  
Psychosis NOS 8 (31) 34 (15)  
Drug induced psychotic disorders 1 (4) 19 (9)  
Psychotic disorder NOS 0 3 (1)  
  1. * = Significant at .05 level.