Prognostic Value of N-terminal Probrain Natriuretic Peptide for Patients with Acute Respiratory Distress Syndrome: A Systematic Review and Meta-Analysis

Table 2

Quality assessment of eligible studies.

Study	Risk of bias				Applicability concerns
	Patient selection	Index test	Reference standard	Flow and timing	Patient selection	Index test	Reference standard
Lin et al. [32]	Low	High	Low	Low	Low	Low	Low
Park et al. [26]	High	Low	Low	Low	Low	Low	Low
Bajwa et al. [25]	Low	High	Low	High	Low	Low	Low
Ji et al. [29]	Low	High	Low	Low	Low	Low	Low
Zhou and Hua [30]	Low	High	Low	Low	Low	Unclear	Low
Su et al. [27]	Unclear	Unclear	Low	Low	Unclear	Low	Low
Xu et al. [31]	Low	High	Low	Low	Low	Low	Low