Clinical epidemiology
Clin Epidemiol
· ISSN (e) 1179-1349
· 14 papers in corpus
observational
2026
BACKGROUND: Ovarian endometriomas damage the ovarian structure, alter ovarian inflammation, and impair ovarian reserve. Given the conflicting results, determining an optimal reproductive strategy for women with endometriomas-whether expecta…
review
2026
BACKGROUND: Postoperative urinary retention (POUR) is a frequent complication after gynecologic surgery, with wide variability in reported incidence due to differences in procedures and outcome definitions, and a lack of standardized quanti…
observational
2024
BACKGROUND: Electronic healthcare records (EHRs) are used to document diagnoses, symptoms, tests, and prescriptions. Though not primarily collected for research purposes, owing to the size of the data as well as the depth of information col…
review
2023
Biobank research may lead to an improved understanding of disease etiology and advance personalized medicine. Denmark (population ~5.9 million) provides a unique setting for population-based health research. The country is a rich source of …
observational
2022
PURPOSE: Infertility may affect somatic and mental health later in life. Nevertheless, health status before diagnosed infertility is sparsely studied in women. We aimed to describe healthcare use in primary and secondary care before a first…
other
2022
PURPOSE: The Danish National Patient Registry (DNPR) is recognized for providing high-quality data. However, only a few minor studies have validated inflammatory bowel disease (IBD) diagnoses in the DNPR, reporting various degrees of validi…
other
2021
PURPOSE: Although the validity of self-reported osteoporosis is often questioned, validation studies are lacking. This study was performed to investigate how well self-reported diagnoses of osteoporosis agreed with validated clinical inform…
observational
2020
PURPOSE: Asthma has been positively associated with irregular menses and infertility in some studies, but data are limited on the relation between asthma medication use and fecundability (i.e., average per-cycle probability of conception am…
case-report
2020
PURPOSE: To investigate whether progestin-primed ovarian stimulation (PPOS) can be an alternative as gonadotrophin-releasing hormone agonist (GnRHa) long protocol for infertile women with normal ovarian reserve during IVF/ICSI. METHODS: A …
observational
2020
PURPOSE: The goal of the current study is to determine the risk of subsequent development of epithelial ovarian cancer (EOC) in women after ovarian surgery for benign ovarian tumors. PATIENTS AND METHODS: We conducted the nationwide popula…
2019
BackgroundRun-in periods are occasionally used in randomized clinical trials to exclude patients after inclusion, but before randomization. In theory, run-in periods increase the probability of detecting a potential treatment effect, at the…
2015
BackgroundThe Danish National Patient Registry (DNPR) is one of the world's oldest nationwide hospital registries and is used extensively for research. Many studies have validated algorithms for identifying health events in the DNPR, but th…
review
2014
Gallbladder cancer, though generally considered rare, is the most common malignancy of the biliary tract, accounting for 80%-95% of biliary tract cancers. An early diagnosis is essential as this malignancy progresses silently with a late di…
observational
2010
PURPOSE: Estrogen exposure has been associated with the occurrence of Parkinson's disease (PD), as well as many other disorders, and yet the mechanisms underlying these relations are often unknown. While it is likely that estrogen exposure …