Potential impact of missing outcome data on treatment effects in systematic reviews: imputation study.

Objective: To assess the risk of bias associated with missing outcome data in systematic reviews.

Design: Imputation study.

Setting: Systematic reviews.

Meta-Analyses Proved Inconsistent in How Missing Data Were Handled Across Their Included Primary Trials: A Methodological Survey.

Background: How systematic review authors address missing data among eligible primary studies remains uncertain.

Objective: To assess whether systematic review authors are consistent in the way they handle missing data, both across trials included in the same meta-analysis, and with their reported methods.

Methods: We first identified 100 eligible systematic reviews that included a statistically significant meta-analysis of a patient-important dichotomous efficacy outcome.

Potentially missing data are considerably more frequent than definitely missing data: a methodological survey of 638 randomized controlled trials.

Background And Objective: Missing data for the outcomes of participants in randomized controlled trials (RCTs) are a key element of risk of bias assessment. However, it is not always clear from RCT reports whether some categories of participants were followed-up or not (i.e.

Knowledge, attitudes, beliefs, values, preferences, and feasibility in relation to the use of injection safety devices in healthcare settings: a systematic review.

Background: Adopting technologies such as injection safety devices in healthcare settings can enhance injection safety. Developing guidelines for appropriate adoption of such technologies need to consider factors beyond evidence for their health effects. The objective of this study is to systematically review the published literature for evidence among healthcare workers and patients about knowledge, attitudes, beliefs, values, preferences, and feasibility in relation to the use of injection safety devices in healthcare settings.

Current reperfusion strategies for ST-elevation myocardial infarction in an academic medical center in a developing country: efficacy of primary percutaneous coronary intervention.

Objectives: To study the reperfusion strategies currently being used in the treatment of ST-elevation myocardial infarction (STEMI) at an academic medical center in a developing country and to analyze the door-to-balloon time (DBT) in those patients undergoing primary percutaneous coronary intervention (PCI).

Methods: The study included all patients presenting with STEMI to the emergency department at the American University of Beirut Medical Center between July 2008 and February 2010. Data were collected prospectively from the patients' medical records.