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Explain the crucial nature of the human element in successful quality improvement. Identify some of the methods that can be used to communicate the focus of a change project. Illustrate the importance of sustainability and spread in ensuring success in a quality improvement project.In the third article of this series on quality improvement (QI), we discuss how to avoid some of the pitfalls and ensure the success of the project.All QI projects designed to improve healthcare involve change. This requires not only a change to the physical structure and processes involved, but also an emotional element that is crucial to the successful implementation, spread, and sustainability of that change. Without considering all aspects of the local context and culture, it is likely that any improvements will flounder. This paper will address these three areas of the human dimension of change, sustainability, and successful spread.Lauren Weekes FRCA is a final year specialty registrar in anaesthesia in the South West Peninsula Deanery. She has undertaken an advanced module in quality improvement and is a member of The Health Foundation's Q Community.

ObjectivesTo identify the differences between women and men in the probability of entrapment, frequency of injury and outcomes following a motor vehicle collision. Publishing sex-disaggregated data, understanding differential patterns and exploring the reasons for these will assist with ensuring equity of outcomes especially in respect to triage, rescue and treatment of all patients.DesignWe examined data from the Trauma Audit and Research Network (TARN) registry to explore sex differences in entrapment, injuries and outcomes. We explored the relationship between age, sex and trapped status using multivariate logistical regression.SettingTARN is a UK-based trauma registry covering England and Wales.ParticipantsWe examined data for 450 357 patients submitted to TARN during the study period (2012–2019), of which 70 027 met the inclusion criteria. There were 18 175 (26%) female and 51 852 (74%) male patients.Primary and secondary outcome measuresWe report difference in entrapment status, injury and outcome between female and male patients. For trapped patients, we examined the effect of sex and age on death from any cause.ResultsFemale patients were more frequently trapped than male patients (female patients (F) 15.8%, male patients (M) 9.4%; p<0.0001). Trapped male patients more frequently suffered head (M 1318 (27.0%), F 578 (20.1%)), face, (M 46 (0.9%), F 6 (0.2%)), thoracic (M 2721 (55.8%), F 1438 (49.9%)) and limb injuries (M 1744 (35.8%), F 778 (27.0%); all p<0.0001). Female patients had more injuries to the pelvis (F 420 (14.6%), M 475 (9.7%); p<0.0001) and spine (F 359 (12.5%), M 485 (9.9%); p=0.001). Following adjustment for the interaction between age and sex, injury severity score, Glasgow Coma Scale and the Charlson Comorbidity Index, no difference in mortality was found between female and male patients.ConclusionsThere are significant differences between female and male patients in the frequency at which patients are trapped and the injuries these patients sustain. This sex-disaggregated data may help vehicle manufacturers, road safety organisations and emergency services to tailor responses with the aim of equitable outcomes by targeting equal performance of safety measures and reducing excessive risk to one sex or gender.

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The present study provides information on length distribution, reproductive biology and diet of Mustelus mosis based on individuals caught in waters off the eastern Arabian Peninsula. Although ageing of vertebral centra was attempted, band pairs were of low clarity and counts could not be confidently assigned.