KLIETMANN identified 3 factors which makes diagnosis of schizophrenia UNRELIABLE
DIFFERENCE BTW CLINICIANS
info interpreted differently by diff docs
Diff docs see symptoms in diff ways if they come from diff cultures
Cause disagreement in diagnosis LOWERS RELIABILITY in diagnosis
DIFFERENCE BTW PATIENTS
No two cases of schizophrenia are the same
Psychiatrist may misinterpret behaviour of a patient from diff culture to themselves and give a diff diagnosis than to a psychiatrist who is of the same culture
Further prob, symptoms that displayed or patient admits to on the day may be clear signs to schizo diagnosis, but may show one day and not another. So diff diagnosis another day.
DIFFERENCE IN CLASSIFICATION SYSTEMS
DSM IV TR (USA) The ICD 10 (Europe) CCMD 3 (China)
Problem is not all list same metal illness let alone CC. Like ICD 10 shows an extra 2 subtypes of schizophrenia. LOWERS RELIABILITY in diagnosis as diff docs use diff systems so diff diagnosis.
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