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Background Chronic subdural hematoma (CSDH) is one of the commonest neurosurgical pathologies with an increasing incidence. Observational studies of routine care have demonstrated high perioperative morbidity and approximately 10% mortality at one year. 20 The development, implementation, and evaluation of a potential care framework relies on an accurate and reproducible method of case identification and case ascertainment. With this manuscript, we report on the accuracy of diagnostic ICD codes for identifying patients with CSDH from retrospective electronic data and explore whether basic demographic data could improve the identification of CSDH. Methods: Data were collected retrospectively from the hospital administrative system between 2014–2018 of all patients coded with either S065 or I620. Analysis of the ICD codes in identifying patients with CSDH diagnosis was calculated using the caretR package in RStudioR .and stepwise logistic regression analysis was performed to evaluate the best predictive model for CSDH. Results: A total of 1861 patients were identified. Of these, 189 (10.2%) had a diagnosis of non-traumatic SDH (I620) and 1672 (89.8%) traumatic subdural haematomas (S065). Variables that identified CSDH as a diagnosis on univariate logistic regression included male sex (Odds Ratios (OR) − 1.606(1.197–2.161), elderly age (OR) − 1.023(1.015–1.032) per year for age (p

This new edition of the German classic Andorra has been revised to meet the needs of today's student. Peter Huchinson's superb editorial material provides invaluble support in guiding the student through the play. This new edition contains: * A new, full introduction to the play's historical background * Student-friendly notes and critical commentary which are written in English and which appear on the same page as the text * Extensive annotation * An expanded vocabulary section * Revised page design that presents the text and notes clearly.

The contributors to this volume treat fourteen plays of key significance in the history of German literature and show the way in which each dramatist has engaged with important social and theatrical issues of the age. Essays range from that on Lessing's Nathan der Weise (a key text in the history of 'tolerance' in Germany) to Jelinek's Krankheit oder moderne Frauen (a critique of theatrical representation, gender roles and the authority of the text), that is, from German classicism to the contemporary avant-garde. Each major movement in German literary history is represented, and the volume as a whole thus provides a partial history of German drama. The essays, all by specialists in the field, were originally delivered as lectures in the University of Cambridge.