Neutrophil-to-lymphocyte ratio is associated with short-term mortality in patients with acute respiratory distress syndrome: a meta-analysis

Table 2 Meta-regression analysis of number of participants, NOS score, and country of study in ARDS patients

	Tau²	Amount of heterogeneity (%)	p-value	Estimate	Lower 95%CI	Upper 95%CI
Number of participants	0.2370	52.66%	0.0205	−0.0013	−0.0024	−0.0002
NOS score	0.1933	61.39%	0.0114	0.6630	0.1492	1.1768
Country of study	0.1648	67.07%	0.0041	1.0593	0.3359	1.7827