5,295 research outputs found

    Documenting mortality in crises: what keeps us from doing better.

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    Francesco Checchi and Les Roberts discuss how mortality among crisis-affected populations is currently documented, barriers to better documentation, and how these barriers might be overcome

    Rates and Causes of Death in Chiradzulu District, Malawi, 2008: A Key Informant Study

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    In September 2008, we measured all-cause mortality in Chiradzulu District, Malawi (population 291 000) over a 60-day retrospective period, using capture-recapture analysis of three lists of deaths provided by (i) key community informants, (ii) graveyard officials and (iii) health system sources. Estimated crude and under-5-year mortality rates were 18.6 (95% CI 13.9-24.5) and 30.6 (95% CI 17.5-59.9) deaths per 1000 person-years. We also classified causes of death through verbal autopsy interviews on 50 deaths over the previous 40 days. Half of deaths were attributable to infection, and half of deaths among children aged under 5 were attributable to neonatal causes. HIV/AIDS was the leading cause of death (16.6%), with a cause-attributable mortality rate of 1.8 (0.4-3.6) deaths per 1000 person-years

    I versi della musica: il problema dell’autorialità letteraria nel repertorio dell’«Ars nova» italiana

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    L'A., nell'affrontare il problema della possibile attribuzione a Francesco Landini di alcuni dei testi letterari delle sue composizioni musicali, cita l'invettiva latina Versus in laudem loyce Ocham (inc. Vix bene dimidium bigis raptata tenebat), tradita unicamente dal ms. Firenze, Riccardiana, 688, che conserva, sempre attribuito a Landini, il componimento Versus alii (inc. Quidam terrenis curis magnoque labore) e i legami del compositore con l'Umanesimo fiorentino, in particolare con Coluccio Salutati. Per la discussione dei rapporti tra i manoscritti Par (Parma, Palatina, Parm. 1081) e L (Firenze, Laurenziana, Pl. 40.43), l'A. prende in esame il sonetto 134 di Petrarca, mostrando come i due testimoni presentino una variante che si ritrova nella versione in latino di Salutati (Nec pacem invenio, nec adest ad bella facultas); sono inoltre discusse alcune varianti relative al sonetto 132 nella stessa traduzione latina

    Bacteria prevalence in a large Italian population sample: a clinical and microbiological study

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    The present study detects those bacterial species which are more strongly related to bleeding on probing, suppuration and smoking in periodontal-affected patients. Nine hundred and fifty-one patients with periodontal diseases were admitted to the Department of Periodontology and Implantology, Dental School of Bologna University where they underwent microbiological tests for six periodontal pathogens (Actinomyces actinomycetemcomitans, Porphyromonas gingivalis, Prevotella intermedia, Treponema denticola, Fusobacterium nucleatum and Tannerella forsythia). Cluster analysis explored the variables that mostly influence both the presence and absolute\relative bacterial load. Logistic regression and multivariate linear regression quantifies these relations. The probability of recovering bacteria belonging to the Red Complex is greater by 25-48% in presence of bleeding on probing. When probing depth is less than 3 mm the probability of presence of each bacterial species is inferior in comparison with depth >6 mm both for Red Complex (of 20-37%), the Orange complex (of 41-61%) and Actinomyces actinomycetemcomitans (46%). Total bacterial cell count increases with pocket depth above all for the Red Complex. As Treponema Denticola and Tannerella Forsytia presence is associated with bleeding on probing and Prevotella intermedia presence with suppuration and smoking. The examination of these three as indicators of periodontitis evolution is suggested
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