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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