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Table 1 Evaluation of scientific evidence of streaming according to GRADE.

From: A systematic review of triage-related interventions to improve patient flow in emergency departments

Outcome measures

Number of patients (number of studies)

Study design

Outcome*, median (min-max)

Scientific evidence according to GRADE

Comments

Waiting time (shorter)

240 429

(3 studies)

Observational studies

31 (14-48) min

Limited

Upgraded because of study quality. Downgraded because of outcome size

Length of stay (shorter)

141 017

(2 studies)

Observational studies

9.5 (0-11) min

Limited

Downgraded because of study quality. Upgraded because of outcome size.

  1. * Outcome calculated as the difference between intervention and control