Importance Although wait times for hip fracture surgery have been linked to mortality and are
being used as quality-of-care indicators worldwide, controversy exists about the duration of …

Background There is a paucity of data on the burden of in-stent restenosis (ISR) in the
United States as well as on its presentation and appropriate treatment strategies. Objectives …

Importance There has been limited research on patients with ST-segment elevation
myocardial infarction (STEMI) and COVID-19. Objective To compare characteristics …

Background Knowledge of women's experience of childbirth in the outbreak of the
coronavirus (COVID-19) pandemic and associated maternal health outcomes is scarce …

Background: Dose reduction of non–vitamin K antagonist oral anticoagulants (NOACs) is
indicated in patients with atrial fibrillation (AF) with renal impairment. Failure to reduce the …

This study investigates whether gender diversity on the board of directors in the United
States is associated with firms' environmental performance. Under the theoretical framework …

Background & Aims We performed a prospective study to investigate the effects of a
sustained viral response (SVR) on outcomes of patients with hepatitis C virus (HCV) …

Objectives To model the steps involved in preparing for and carrying out propensity score
analyses by providing step‐by‐step guidance and Stata code applied to an empirical …

Propensity score methods are increasingly being used to estimate causal treatment effects
in observational studies. In medical and epidemiological studies, outcomes are frequently …

A large auditing literature concludes that Big N auditors provide higher audit quality than
non-Big N auditors. Recently, however, a high-profile study suggests that propensity score …