Issues in the reporting and conduct of instrumental variable studies: a systematic review
Instrumental variables can be used to estimate the causal effects of exposures on outcomes
in the presence of residual or uncontrolled confounding. To assess the validity of analyses …
in the presence of residual or uncontrolled confounding. To assess the validity of analyses …
Association between adherence to National Comprehensive Cancer Network treatment guidelines and improved survival in patients with colon cancer
BACKGROUND: The objective of the current study was to examine the impact of adherence
to guidelines on stage‐specific survival outcomes in patients with stage III and high‐risk …
to guidelines on stage‐specific survival outcomes in patients with stage III and high‐risk …
Performing both propensity score and instrumental variable analyses in observational studies often leads to discrepant results: a systematic review
H Laborde-Castérot, N Agrinier, N Thilly - Journal of clinical epidemiology, 2015 - Elsevier
Objectives Propensity score (PS) and instrumental variable (IV) are analytical techniques
used to adjust for confounding in observational research. More and more, they seem to be …
used to adjust for confounding in observational research. More and more, they seem to be …
Distinguishing selection bias and confounding bias in comparative effectiveness research
S Haneuse - Medical care, 2016 - journals.lww.com
Comparative effectiveness research (CER) aims to provide patients and physicians with
evidence-based guidance on treatment decisions. As researchers conduct CER they face …
evidence-based guidance on treatment decisions. As researchers conduct CER they face …
Using high-dose omega-3 fatty acid supplements to lower triglyceride levels in 10-to 19-year-olds
Background. Omega-3 fatty acids supplements lower triglyceride (TG) levels in adults; little
pediatric information is available. We evaluated their effect in hypertriglyceridemic …
pediatric information is available. We evaluated their effect in hypertriglyceridemic …
Propensity‐score‐matched comparative analyses of simultaneously administered fixed‐ratio insulin glargine 100 U and lixisenatide (iGlarLixi) vs sequential …
J Rosenstock, Y Handelsman, J Vidal… - Diabetes, Obesity …, 2018 - Wiley Online Library
Aim To conduct two exploratory analyses to compare indirectly the efficacy and safety of
simultaneous administration of insulin glargine 100 U (iGlar) and the glucagon‐like peptide …
simultaneous administration of insulin glargine 100 U (iGlar) and the glucagon‐like peptide …
The association between use of chiropractic care and costs of care among older Medicare patients with chronic low back pain and multiple comorbidities
WB Weeks, B Leininger, JM Whedon, JD Lurie… - Journal of manipulative …, 2016 - Elsevier
Objective The purpose of this study was to determine whether use of chiropractic
manipulative treatment (CMT) was associated with lower healthcare costs among multiply …
manipulative treatment (CMT) was associated with lower healthcare costs among multiply …
External validation and comparison of two variants of the Elixhauser comorbidity measures for all-cause mortality
Y Fortin, JAG Crispo, D Cohen, DS McNair… - PloS one, 2017 - journals.plos.org
Assessing prevalent comorbidities is a common approach in health research for identifying
clinical differences between individuals. The objective of this study was to validate and …
clinical differences between individuals. The objective of this study was to validate and …
Selection bias when using instrumental variable methods to compare two treatments but more than two treatments are available
A Ertefaie, D Small, J Flory… - The international journal of …, 2016 - degruyter.com
Instrumental variable (IV) methods are widely used to adjust for the bias in estimating
treatment effects caused by unmeasured confounders in observational studies. It is common …
treatment effects caused by unmeasured confounders in observational studies. It is common …
[HTML][HTML] Comparative effectiveness research considered methodological insights from simulation studies in physician's prescribing preference
L Zhang, J Lewsey, DA McAllister - Journal of clinical epidemiology, 2022 - Elsevier
Objective To review comparative effectiveness research (CER) using physician's prescribing
preference as an instrumental variable (PPP IV) in pharmacoepidemiology, and to review …
preference as an instrumental variable (PPP IV) in pharmacoepidemiology, and to review …