The British Journal of Psychiatry 147: 547-551 (1985)
© 1985 The Royal College of Psychiatrists
Definitions of psychiatric syndromes--comparison in hospital patients and general population
SP Sashidharan
Four sets of commonly used 'operational definitions' of psychiatric
disorders were applied to clinical information, obtained on the basis of
semi-structured interviews with samples of hospital in-patients, out-
patients, and general population. The agreement among them in defining
'cases' and in assigning specific diagnostic categories was examined. There
was considerable variation among the diagnostic systems in distinguishing
between 'cases' and 'non-cases' and in identifying sub- groups of cases as
having specific diagnoses. Comparison of operationally defined syndrome
categories with diagnoses assigned by clinicians also showed much
disagreement.