Higher vs. Lower DP for Ventilated Patients with Acute Respiratory Distress Syndrome: A Systematic Review and Meta-Analysis

Table 2

Quality Assessment with Newcastle Ottawa Scale for cohort study.

Study	Selection				Comparability		Outcome
	REC	SNC	AE	AOI	Design and Analysis	Assessment	Enough; Follow-up	Adequate; Follow-up	Score
Amato et al. 2015	☆	☆	☆	☆	☆☆	☆	☆	☆	9
Chiu et al. 2017	☆	☆	☆	☆	☆☆	☆	☆	☆	9
Chiumello et al. 2016	☆	☆	☆	☆	☆☆	☆	☆		8
Laffey et al. 2016	☆	☆	☆	☆	☆☆	☆	☆	☆	9
Raymondos et al. 2017	☆	☆	☆	☆	☆	☆	☆	☆	8
Villar et al. 2017	☆	☆	☆	☆	☆☆	☆	☆		8
Guerin et al. 2016	☆	☆	☆	☆	☆	☆	☆	☆	8

REC=Representative of Exposed Cohort, SNC=Selection of Nonexposed Cohort, AE=Ascertainment of Exposed, AOI=Absence of Outcome of Interest, star (☆) was allocated to a particular item when it was adequately reported and addressed. The item “comparability” could be allocated with a maximum of two stars. Dashes indicate this item was not adequately reported or addressed.