OBJECTIVE: Generalized anxiety disorder (GAD) is characterized by persistent and chronic anxiety state. Stressful life events and anxiety usually cause an increase in platelet volume and activity through various mechanisms. Mean platelet volume (MPV), which is indicative of platelet size, is accepted as an indication of platelet activity. METHOD: In this first retrospective cohort study about MPV among GAD patients, we compared complete blood count especially in terms of platelet count (PLT), platelet distribution width (PDW), plateletcrit (PCT) and MPV values of 60 GAD patients with 60 healthy controls. RESULTS: MPV was found to be significantly higher (p = .008) and platelet count was found to be significantly lower in the GAD group (p = .001). The area under the ROC curve (AUC) of MPV levels for GAD was 0.655 (95% CI: 0.557-0.754, p < .001). DISCUSSION: Increased MPV levels in GAD patients in our study supports the hypothesis of increased platelet activation due to sympathetic system activation. Also platelet levels were found to be significantly lower in GAD patients in our study. This finding is consistent with the non-linear inverse relation between platelet volume and platelet count. According to ROC curve analysis for differentiation of GAD from those in the control group, MPV would be considered to be a "poor" biochemical marker. We believe that further controlled prospective studies about this issue will be valuable. ARTICLE HISTORY

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Children are exposed to large amounts of information and high levels of stress and anxiety from adults around them, the media, and social communication networks during the Covid-19 period. The purpose of this study was to compare the anxiety and depression levels of the children of health workers following the declaration by the World Health Organization (WHO) of Covid-19 as a global pandemic with those of age-matched children of non-health worker parents. This prospective, case-controlled, cross-sectional study was performed between July and September 2020. One hundred forty-six participants were enrolled, 71 children of health worker parents in the study group, and 75 age- and sex-matched children of non-health worker parents in the control group. While no significant difference was determined between the children of health workers and non-health workers in terms of CDI scores, total STAI-C scores were higher among children of health workers (70.36 ± 12.43) than in children of non-health worker parents (65.62 ± 11.83) ( p = .02). This study shows that since their parents work in intensive and high-risk environments during the Covid-19 pandemic, the children of health workers may be at greater psychological risk than other children.