… We undertook a national, linked primary and secondary care retrospective cohort study of
people with asthma in Wales. The follow-up period was 5 years from January 1, 2013 to …

… Most studies exploring survival with CHDs are surgical case series, thus selectively present
… centre; however, retrospective cohort studies8 and smaller regional studies7 ,9 have also …

… Using data from a prospective community cohort study in England and Wales (Virus Watch)
[18], this study aimed to extend current understanding of the direct effect of occupation on …

… Study design This was a retrospective cohort study of all singleton live births at
gestational age of 22 weeks or more in England and Wales between 2006 and 2012. …

… But not only have longitudinal research and the birth cohort studies been influential in highlighting
… For example, the Millennium Cohort Study (MCS), a birth cohort study of children born …

Objectives Despite established standards and guidelines, substantial variation remains in
the delivery of hip fracture care across the United Kingdom. We aimed to determine which …

… In the application of the cohort method to the study of fertility, our problem is for a further
reason less simple than those which arise in the study of mortality. When our concern is wlth …

… This study has reported age- and gender-specific fracture incidence rates for adults in
England and Wales using a large, well-validated, national cohort study. We have shown that …

A computerized nuptiality system, called GENMAR, has been developed to investigate trends
in cohort nuptiality in England and Wales. This system has five main programmes dealing …

… . Gynecologic symptoms and the influence on reproductive life in 386 women with
hypermobility type Ehlers-Danlos syndrome: a cohort study. Orphanet J Rare Dis 2016;11.doi:10.1186/…