Clinical Study

First Rank Symptoms and Neurological Soft Signs in Schizophrenia

Table 3

Comparison of age of onset of psychosis and duration of untreated psychosis (DUP), Scale for the Assessment of Positive Symptoms (SAPS) scores, and Scale for the Assessment of Negative Symptoms (SANS) scores between schizophrenia patients with and without first rank symptoms.

VariablesSchizophrenia with FRS
(mean ± SD)
Schizophrenia without FRS
(mean ± SD)
(df)

Age of onset of psychosis28.52 (6.69)25.80 (6.63)1.58 (58) 0.0930.762
DUP (in months)19.85 (36.26)11.33 (23.03)1.09 (58) 2.2200.142

Scale for the Assessment of Positive SymptomsSchizophrenia with FRS
(mean rank)
Schizophrenia without FRS
(mean rank)
Mann-Whitney test

Global rating of severity of hallucinations40.2720.73157.000.0001***
Global rating of delusion32.6228.38386.500.336
Global rating of bizarre behaviour28.2732.73383.000.294
Global rating of FTD25.2735.73293.000.003**
Total SAPS score36.0724.93283.000.013*

Scale for the Assessment of Negative symptomsSchizophrenia with FRS
(mean rank)
Schizophrenia without FRS
(mean rank)
Mann-Whitney test

Global rating of affective flattening26.3734.63326.000.050
Global rating of alogia28.0732.93377.000.237
General rating of avolition and apathy26.3734.63326.000.054
Global rating of anhedonia and asociality27.3533.65355.500.147
Global rating of attention25.3035.70294.000.015*
Total SANS score23.5237.48240.500.002**

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