Table 2

Table 2

Correlation coefficients between maximum values of cell counts, neutrophil elastase (NE) activity, matrix metalloproteinase (MMP)-9 concentrations, SerpinB1 concentrations, percentage α₁-antitrypsin (AAT) and SerpinB1 in complex and MMP-9/TIMP-1 concentrations in BAL fluid from ventilated newborn infants

Maximum value	Maximum value	Spearman's correlation coefficient (p value)
Log₁₀ MMP-9	Log₁₀ MMP-9/TIMP-1	0.94
Log₁₀ elastase	% SerpinB1 in complex	0.88
Log₁₀ SerpinB1	% SerpinB1 in complex	0.76
Log₁₀ MMP-9	Log₁₀ cell count	0.75
Log₁₀ elastase	Log₁₀ neutrophil count	0.71
Log₁₀ neutrophil count	% SerpinB1 in complex	0.70
Log₁₀ elastase	Log₁₀ SerpinB1	0.68
Log₁₀ elastase	Log₁₀ cell count	0.65
Log₁₀ elastase	Log₁₀ MMP-9	0.65
% AAT in complex	% SerpinB1 in complex	0.64
% AAT in complex	Log₁₀ elastase	0.62
Log ₁₀ neutrophil count	Log₁₀ SerpinB1	0.62
Log ₁₀ cell count	Log₁₀ SerpinB1	0.59