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Table 3 Characteristics of the study-based database in this study

From: Study-based registers reduce waste in systematic reviewing: discussion and case report

Volume

Records:

~ 20,000 studies

~ 30,000 references/reports

PICO meta-data:

~ 230 healthcare conditions;

~ 2700 interventionsa;

~ 13,700 outcomes

Variety

Standard protocols for meta-data:

For references (RIS);

For studies (PICO)

Veracity

Document coverage

 Type:

Any

 Language

All

 Date/time:

Any

 Geography

Worldwide

 Publication status:

Published/unpublished

 Status of study:

Allb

Reliability

 Two independent Information Specialists checked data.

Velocity

Information specialist

Screens 1000–2000 references per month;

Adds 100–200 eligible references to register.

Value

Software: free.

Current number of maintained systematic reviews: 324.

Retracted studies: retraction linked into study record.

Reproducibility and replicability: all SBR’s review-specific steps can be repeated within seconds [100].

Prioritising: sensitive/specific direction of effort

Human resources: skilled information specialist

 Establish register

1 year (F/T) 2–3 years (P/T 50%)

 Maintain register

1 day/week

  1. a Structured, controlled language (e.g. WHO ATC)
  2. b Finished/ongoing/awaiting/terminated/unclear