Table 1 Most frequent diagnoses at initial assessment.

From: Onset of schizophrenia diagnoses in a large clinical cohort

ICD-10 diagnoses

Frequency

Percentage

F20 Schizophrenia

11330

43.3

F4 Neurotic, stress-related and somatoform disorders

4516

17.3

F3 Mood disorders

3402

13.0

F22 Persistent delusional disorders

1068

4.1

F6 Disorders of adult personality and behavior

1034

3.9

F1 Mental and behavioral disorders due to psychoactive substance use

981

3.7

F23 Acute and transient psychotic disorders

776

3.0

F29 Unspecified nonorganic psychosis

656

2.5

F9 Behavioral and emotional disorders with onset usually occurring in childhood and adolescence

345

1.3

F25 Schizoaffective disorders

276

1.1

F0 Organic mental disorders

263

1.0

F7 Mental retardation

211

0.8

F5 Behavioral syndromes associated with physiological disturbances and physical factors

205

0.8

F8 Disorders of psychological development

145

0.6

Total

24465

96.3

  1. Only diagnoses made at least in 100 visits are listed.