Meanings of data abstraction in English

Literature searching, data abstraction and quality appraisal were performed by two investigators.

Restaging to the 2002 TNM system and comorbidity data abstraction were performed.

Screening and data abstraction were conducted in duplicate using systematic methods.

A standardized data abstraction form was used to organize the results by NGO sector.

Independent reviewer pairs charted data from eligible studies using a standardized data abstraction tool.

We synthesized findings through a three-step process using semi-structured data abstraction tools and group consensus.

Standardized methods of searching and data abstraction were used.

Screening search results, data abstraction, and risk of bias assessment were conducted by two reviewers independently.

We followed standard systematic review methodology for the selection, data abstraction, and risk of bias assessment.

Two reviewers independently screened citations and full-texts, and one reviewer and one verifier performed data abstraction.

Two assessors reviewed titles, abstracts, and full articles using standardised data abstraction forms and assessed study quality.

Full-text screening, data abstraction, and quality appraisal were completed by a single reviewer and verified by a second.

Several data abstraction forms were developed to collect historical and current exposure information and employees' work histories, starting in 1950.

Some variability in stroke subtype classification will remain because of inconsistencies in the medical record and errors in data abstraction.

Two reviewers independently abstracted data regarding study design, setting and findings related to reliability, validity, feasibility and effectiveness using a standard data abstraction form.

Data abstraction was performed by one reviewer and verified by a second reviewer.