Background The evidence on selective serotonin reuptake inhibitors (SSRIs) for major
depressive disorder is unclear. Methods Our objective was to conduct a systematic review …

Although the quality of the attachment relationship is often cited as an important determinant
of development, the extent of impact of this environmental influence in shaping behavioral …

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 …

The TRIPOD (Transparent Reporting of a multivariable prediction model for Individual
Prognosis Or Diagnosis) Statement includes a 22-item checklist, which aims to improve the …

Objectives To identify a cut point in annual surgeon volume associated with increased risk of
complications after primary elective total hip arthroplasty and to quantify any risk identified …

Importance The association between delayed surgical treatment and oncologic outcomes in
patients with non–small cell lung cancer (NSCLC) is poorly understood given that prior …

Abstract We comment on Iacobucci, Posavac, Kardes, Schneider, and Popovich (2015) by
evaluating the practice of discretizing continuous variables. We show that dichotomizing a …

Abstract Purpose of Review Men who have sex with men (MSM) in China experience
elevated risks of mental health issues in comparison to the general population in China …

Objective To evaluate limitations of common statistical modeling approaches in deriving
clinical prediction models and explore alternative strategies. Study Design and Setting A …

Statistics represent an essential part of a study because, regardless of the study design,
investigators need to summarize the collected information for interpretation and presentation …