Table 2.

BAL cytokine concentrations for different specific groups. The concentrations [pg/ml] in the given group at the time of grade ≥A1 ACR (R); viral, bacterial or fungal infection (I); “no pathologic process” (None) or “combined ACR and infection” (R+I) is shown as median and interquartile range (IQR). Significance for differences between categories was determined using Kruskal-Wallis test.

	Group	Median [pg/ml]	IQR [pg/ml]	p-value
IL-6	None	2.20	1.00–5.50	p = 0.045
	R	1.60	1.17–5.93
	I	2.50	0.90–5.45
	R+I	4.10	1.40–7.10
IL-8	None	475.00	212.00–891.00	p = 0.7
	R	453.00	225.00–829.00
	I	476.00	220.00–1151.50
	R+I	585.00	255.00–1115.00
TNF-α	None	0.11	0.01–0.30	p = 0.2
	R	0.10	0.00–0.45
	I	0.20	0.03–0.50
	R+I	0.10	0.00–0.68
IFN-γ	None	0.10	0.00–1.20	p = 0.1
	R	0.10	0.00–0.20
	I	0.10	0.00–1.02
	R+I	0.10	0.010–1.00