Schizophrenia Research and Treatment

Clinical Study

Utility of Two PANSS 5-Factor Models for Assessing Psychosocial Outcomes in Clinical Programs for Persons with Schizophrenia

Item comparison for the PM and VDG 5-factor models.


Factor represented	Pentagonal model	Van der Gaag’s model

Positive	Delusions Unusual thought content Grandiosity Hallucinations Somatic concern	Delusions Hallucinations Unusual thought content Suspiciousness Grandiosity Somatic concern Active social avoidance Lack of judgment and insight Difficulty in abstraction (−)

Negative	Lack of spontaneity Blunted affect Emotional withdrawal Poor rapport Apathetic social withdrawal Motor retardation Mannerisms Uncooperativeness Impaired volition Impulsivity	Lack of spontaneity Blunted affect Emotional withdrawal Poor rapport Apathetic social withdrawal Motor retardation Active social avoidance Uncooperativeness Impaired volition Conceptual disorganization (−)

Disorganized/autistic preoccupation	Poor attention Preoccupation Difficulty in abstraction Stereotyped thinking Disturbed volition Hallucinations	Stereotyped thinking Poor attention Disorientation Conceptual disorganization Difficulty in abstraction Mannerisms Lack of judgment and insight Disturbed volition Preoccupation Unusual thought content

Excited/activation	Hostility Impulsivity Excitement Uncooperativeness Poor rapport Tension	Hostility Impulsivity Excitement Uncooperativeness Grandiosity Poor rapport Tension Active social avoidance

Dysphoric mood/ emotional distress	Anxiety Tension Guilt Depression Somatic concern	Anxiety Tension Guilt Depression Somatic concern Suspiciousness Active social avoidance Preoccupation