Optimized search strategy for detecting scientifically strong studies on treatment through PubMed

Abstract

Our study was designed to optimize the search strategies based on the work of Haynes et al. for detecting randomized controlled trials (RCTs) through PubMed. In particular, we aimed to improve precision for broad and narrow searches on interventional studies. We used in addition to the string suggested by the Hedge Team the following:OR meta-analysis [pt]))} and tested its effectiveness. The search was carried out on a year's worth of articles from the PubMed database. We analyzed 35,590 bibliographic citations about four relevant major topics in internal medicine (hypertension, diabetes, heart failure, and hepatitis). Precision, percentage gain between the Hedge Team search strategies and the new one were computed and reported in the text. Moreover, a pooled analysis was carried out in terms of absolute precision difference. We observed better precision for both broad and narrow searches. However, effective gain resulted only for broad searches. In this case, bibliographic citation recall effectively reduced (-24 to -35 % retrieved citation with a gain of 32-54 %) without loss of information. The search strategy improved broad searches regarding each of the four considered topics. We think this new search strategy, based on a previous work of the Hedge team, could be a step forward and can save some time by researchers.

Effects of gratitude intervention on mental health and well-being among workers: A systematic review

“…A systematic search was conducted in February 2021 using PubMed, Embase, PsycINFO, PsycARTICLES, and Web of science. The first author (YK) developed search terms based on the previous studies, 15 , 17 , 31 , 32 , 33 and subsequently, coauthors discussed these terms and agreed with them. The search terms used were (1) keywords related to gratitude (e.g., gratitude, grateful, thankful, blessing), (2) participants (e.g., worker, employee, organization), and (3) study design (e.g., randomized controlled trial).…”

Immediate Delivery Compared With Expectant Management in Late Preterm Prelabor Rupture of Membranes

“…An a priori designed research protocol defined methods. [12][13][14] The protocol was approved by the ethics committee at the participating institutions and the central data center before the commencement of the project.…”

Physical Exercise and Occupational Therapy at Home to Improve the Quality of Life in Subjects Affected by Rheumatoid Arthritis: A Randomized Controlled Trial

“…Randomized trials with high levels of evidence [71,72] on the effectiveness of joint protection and energy conservation methods showed a significant improvement in pain reduction among patients receiving guidelines for changes in their activities of daily living (ADL) [26,28,31]. An improvement in fatigue and increased social participation [31], a reduction in morning stiffness, a lower incidence of deformities in the hands [30], and improved functionality were observed, even among patients with a severe RA state [27].…”