METHODS. In this single-center retrospective study, the final cohort comprised 182 patients who underwent PFO closure between January 2012 and May 2019 (mean age 57卤13 years, 34% males). The population was divi
For instance, many of these studies relied on retrospective analysis, had small sample sizes, and focused primarily on a single type of cancer8,9,10. One study assessed irAEs across multiple cancer types with a sample of 240 patients11, but it was conducted in a single Tier 3 A teaching...
However, objective evidence of this fact is not so forthcoming. Our aim was to study the effect of these intervals on the risk of advanced stage for GI cancers. Methods We performed this retrospective cohort study to analyse the effect of patient and diagnostic intervals on final stage in ...
Participants reported high rates of antibiotic usage in the two weeks preceding sample collection. This may be associated with the high proportion of participants with respiratory symptoms in the same period. However, we cannot rule out reporting bias. We found no association of antibiotic use with...
Despite the adequate response rate, we cannot fully exclude some degree of non-response bias, nor can we exclude the possibility of social desirability bias, especially an under-reporting of ELDs that may be considered contentious. Information was gathered from the physician's perspective only, ...
Taquet M, Luciano S, Geddes JR, Harrison PJ. Bidirectional associations between COVID-19 and psychiatric disorder: retrospective cohort studies of 62 354 COVID-19 cases in the USA. Lancet Psychiatry. 2021;8(2):130–40.https://doi.org/10.1016/s2215-0366(20)30462-4. ...
This retrospective cohort study was designed to evaluate the association between trauma center type and in-hospital mortality among injured children of different age strata. The study was approved by the Sunnybrook Health Sciences Centre Research Ethics Board. Because this study was conducted using deid...
(RCT), as it is considered the most reliable source of evidence on the effectiveness of interventions (Higgins and Green, 2011) and prospective and retrospective studies, as many times the amount of RCT is insufficient and well-conducted cohort studies improve the strength of the comparison and ...
Interviews with participants and their parents, taken from long-standing infectious disease cohort studies in Nicaragua and Colombia, were conducted during the COVID-19 pandemic. Our assessment of participant agreement with the key concepts of the IC involved semi-structured interviews, undertaken ...
Characteristics and risk of interstitial lung disease in dermatomyositis and polymyositis: a retrospective cohort study in Japan Article Open access 11 October 2023 Incidence and prevalence, and medication use among adults living with dermatomyositis: an Alberta, Canada population-based cohort study Ar...