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Det er velkendt, at Danmarks officielle trafikulykkesstatistik med omkring 550 personskader/mio. indbyggere/år er forbundet med et stort mørketal. I en befolkningsundersøgelse blandt 5.532 repræsentativt udvalgte danskere på eller over 18 år har vi estimeret et mere retvisende ulykkestal. Undersøgelsen viser, at det bedste bud er, at for hver million indbygger på eller over 18 år i Danmark kommer 14.637 hvert år til skade i trafikken i et omfang, så de tager på hospitalernes akutmodtagelser, til egen læge eller til vagtlægen. Næsten halvdelen af dem har fravær fra arbejde eller skole og en tredjedel modtager genoptræning i forbindelse med ulykken. 72 % af de kvæstede er bløde trafikanter, og 68 % af ulykkerne sker i byområder. Dette er i klar modsætning til den officielle ulykkesstatistik, hvor cyklister og fodgængere kun udgør 36 % af de tilskadekomne, og uheld i byområder kun 53 % af samtlige personskadeuheld. En af konsekvenserne ved det store mørketal kan være, at det ulykkesforebyggende arbejde nedprioriteres i den politiske proces, samtidig med at arbejdet vægtes med uforholdsmæssig stor vægt på bilulykker på landet og for lidt vægt på ulykker med bløde trafikanter i byerne. It is well-known that Denmark's official traffic accident statistics with around 550 personal injuries/million capita/year is associated with a large degree of underreporting. In a population survey organized as a cohort study over a year among 5,532 representatively selected Danes aged 18 and above, we have estimated a more accurate accident rate. The study shows, that the best estimate is that for every million inhabitants aged 18 or above in Denmark 14,637 are injured in traffic each year to an extent, that they go to an emergency room, to their general practitioner or call the “Out-of-hours medical service”. However, 25% of the 14,637 accidents are pedestrian falls at traffic areas, which according to the official Danish accident definition is not a traffic accident. Almost half of the injured road users are absent from work or school and a third receive rehabilitation following the accident. Vulnerable road users account for 72% of those injured, and 68% of the accidents occur in urban areas. This is in clear contrast to the official accident statistics, where cyclists and pedestrians make up for only 36% of the injured, and accidents in urban areas only 53% of all personal injury accidents. A consequence of the large number of unreported accidents may be that the accident prevention work is downgraded and that the work carried out often allocates great emphasis on car accidents in rural areas - because these accidents are known - and little emphasis on accidents with vulnerable road users in the cities - because these are not known.

Det er velkendt, at Danmarks officielle trafikulykkesstatistik med omkring 550 personskader/mio. indbyggere/��r er forbundet med et stort m��rketal. I en befolkningsunders��gelse blandt 5.532 repr��sentativt udvalgte danskere p�� eller over 18 ��r har vi estimeret et mere retvisende ulykkestal. Unders��gelsen viser, at det bedste bud er, at for hver million indbygger p�� eller over 18 ��r i Danmark kommer 14.637 hvert ��r til skade i trafikken i et omfang, s�� de tager p�� hospitalernes akutmodtagelser, til egen l��ge eller til vagtl��gen. N��sten halvdelen af dem har frav��r fra arbejde eller skole og en tredjedel modtager genoptr��ning i forbindelse med ulykken. 72 % af de kv��stede er bl��de trafikanter, og 68 % af ulykkerne sker i byomr��der. Dette er i klar mods��tning til den officielle ulykkesstatistik, hvor cyklister og fodg��ngere kun udg��r 36 % af de tilskadekomne, og uheld i byomr��der kun 53 % af samtlige personskadeuheld. En af konsekvenserne ved det store m��rketal kan v��re, at det ulykkesforebyggende arbejde nedprioriteres i den politiske proces, samtidig med at arbejdet v��gtes med uforholdsm��ssig stor v��gt p�� bilulykker p�� landet og for lidt v��gt p�� ulykker med bl��de trafikanter i byerne., Danish Journal of Transportation Research ��� Dansk Tidsskrift for Transportforskning, ��rg. 4 Nr. 1 (2022): Danish Journal of Transportation Research - Dansk tidsskrift for transportforskning

INTRODUCTION Few Scandinavian studies have studied seasonal variations in paediatric fractures, and the studies that have focused on individual fracture sites. Furthermore, their findings do not coincide as they have described peaks in different seasons. Therefore, we described seasonal variation in the incidence rate (IR) of all paediatric fractures in the 1996-2019 period within a Danish population.METHODS We extracted data from the existing emergency room register at Odense University Hospital and included all fractures sustained by children aged 0-14 years and living in Odense Municipality. Seasonal and monthly IR were calculated using population counts stratified by age, gender and fracture site.RESULTS We recorded a significant increase in IR in spring and summer, except for a drop in July. For boys, the IR ranged from 206 in December to 404 per 10,000 person-years in June. For girls, the incidence ranged from 156 in December to 317 in May. Fractures were more frequent in the upper extremities and were up to six-fold more frequent in the epiphysis and metaphysis than in the shafts. All fracture sites showed a peak in spring and summer, suggesting that all fracture sites are subject to seasonal variation, especially the ones near the epiphysis.CONCLUSIONS The fracture peak observed in spring and summer corresponds to an increase in physical activity. The low incidence registered in July corresponds to a low level of sport activities during the summer vacations and families going on vacation in the countryside or travelling abroad. This study gives useful information for coordinating the right resources at hospitals.FUNDING noneTRIAL REGISTRATION not relevant

AIMS: To assess the safety of tranexamic acid (TXA) in a large cohort of patients aged over 65 years who have sustained a hip fracture, with a focus on transfusion rates, mortality, and thromboembolic events. METHODS: This is a consecutive cohort study with prospectively collected registry data. Patients with a hip fracture in the Region of Southern Denmark were included over a two-year time period (2015 to 2017) with the first year constituting a control group. In the second year, perioperative TXA was introduced as an intervention. Outcome was transfusion frequency, 30-day and 90-day mortality, and thromboembolic events. The latter was defined as any diagnosis or death due to arterial or venous thrombosis. The results are presented as relative risk (RR) and hazard ratio (HR) with 95% confidence intervals (CIs). RESULTS: A total of 3,097 patients were included: 1,558 in the control group and 1,539 in the TXA group.31% (n = 477) of patients had transfusions in the control group compared to 27% (n = 405) in the TXA group yielding an adjusted RR of 0.83 (95% CI 0.75 to 0.91). TXA was not associated with increased 30-day mortality with an adjusted HR of 1.10 (95% CI 0.88 to 1.39) compared to the control group as well as no association with increased risk of 90-day mortality with a per protocol adjusted HR of 1.24 (95% CI 0.93 to 1.66). TXA was associated with a lower risk of thromboembolic events after 30 days (RR 0.63 (95% CI 0.42 to 0.93)) and 90 days (RR 0.72 (95% CI 0.52 to 0.99)). A subanalysis on haemoglobin demonstrated a median 17.7 g/L (interquartile range (IQR) 11.3 to 27.3) decrease in the control group compared to 17.7 g/L (IQR 9.7 to 25.8) in the per protocol TXA group (p = 0.060 on group level difference). CONCLUSION: TXA use in patients with a hip fracture, was not associated with an increased risk of mortality but was associated with lower transfusion rate and reduced thromboembolic events. Thus, we conclude that it is safe to use TXA in this patient group. Cite this article: Bone Joint J 2021;103-B(3):449-455.

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