{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,20]],"date-time":"2026-05-20T17:02:11Z","timestamp":1779296531391,"version":"3.51.4"},"reference-count":25,"publisher":"Cambridge University Press (CUP)","issue":"8","license":[{"start":{"date-parts":[[2011,2,11]],"date-time":"2011-02-11T00:00:00Z","timestamp":1297382400000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Eur. psychiatr."],"published-print":{"date-parts":[[2012,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec id=\"S0924933800259282_abs1\" sec-type=\"other\"><jats:title>Purpose<\/jats:title><jats:p>To use the Hypomania Checklist (HCL-32) and the Mood Disorder Questionnaire (MDQ), for detecting bipolarity in depressed patients.<\/jats:p><\/jats:sec><jats:sec id=\"S0924933800259282_abs2\" sec-type=\"other\"><jats:title>Patients<\/jats:title><jats:p>One thousand and fifty-one patients fulfilling ICD-10 criteria for unipolar major depressive episode, single or recurrent, were studied. Patients were assessed using a structured demographic and clinical data interview, and by the Polish versions of the HCL-32 and MDQ questionnaires.<\/jats:p><\/jats:sec><jats:sec id=\"S0924933800259282_abs3\" sec-type=\"results\"><jats:title>Results<\/jats:title><jats:p>Hypomanic symptoms exceeding cut-off criteria for bipolarity by HCL-32 were found in 37.5% of patients and, by MDQ, in 20% of patients. Patients with HCL-32 (+) or MDQ (+) differed significantly from patients with HCl-32 (\u2212) and MDQ (\u2212) respectively, by being less frequently married, having more family history of depression, bipolar disorder, alcoholism and suicide, earlier onset of illness, and more depressive episodes and psychiatric hospitalizations. The percentage of patients resistant to treatment with antidepressant drugs was significantly higher in HCL-32 (+) vs HCL-32 (\u2212) and in MDQ (+) vs MDQ (\u2212): 43.9% vs 30.0%, and 26.4% vs 12.4%, respectively.<\/jats:p><\/jats:sec><jats:sec id=\"S0924933800259282_abs4\" sec-type=\"conclusions\"><jats:title>Conclusions<\/jats:title><jats:p>The results confirm a substantial percentage of bipolarity in major depressive disorder. Such patients have a number of clinical characteristics pointing on a more severe form of the illness and their depression is more resistant to treatment with antidepressants.<\/jats:p><\/jats:sec>","DOI":"10.1016\/j.eurpsy.2010.12.001","type":"journal-article","created":{"date-parts":[[2011,2,12]],"date-time":"2011-02-12T11:00:24Z","timestamp":1297508424000},"page":"577-581","source":"Crossref","is-referenced-by-count":27,"title":["Use of the Hypomania Checklist-32 and the Mood Disorder Questionnaire for detecting bipolarity in 1,051 patients with major depressive 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