Abstract: Objective: The objective was to examine whether prophylactic treatment with antipsychotics can decrease the incidence and severity of postsurgical delirium.Method: A meta-analysis of existing trials comparing delirium incidence between patients given prophylactic antipsychotic and placebo was performed. Secondary outcomes were total hospital days, total days of delirium and severity. Pooled odds ratios (ORs) and mean differences were calculated using a random-effects model.Results: Five randomized placebo-controlled trials comprising a total of 1491 patients were included.

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Abstract: Objective: This study examined if associations between body mass index (BMI) and mental and physical health were independent of genetic and familial factors.Method: Data from 2831 twins (66% female) were used in an epidemiological co-twin control design with measures of BMI and mental and physical health outcomes. Generalized estimating equation regressions assessed relationships between BMI and health outcomes controlling for interdependency among twins and demographics. Within-pair regression analyses examined the association of BMI with health outcomes controlling for genetic and familial influences.Results: Adjusted analyses with individual twins found associations in women between BMI and perceived stress (P=.01) and depression (P=.002), and the link between BMI and depression (P=.03) was significant in men

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