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Table 4 Evaluation of scientific evidence of point of care testing 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
Response time
12 273
(3 studies)
3 observational studies
51 (51-51) min Moderately strong
Downgraded because of study quality. Upgraded because of outcome size.
Length of stay
18 401
(5 studies)
3 observational studies
21 (-8-54) min Limited
Downgraded because of low reproducibility and heterogeneity
  1. * Outcome calculated as the difference between intervention and control