Table 3.

Protein concentration ± SEM in lung tissue samples of controls and infected pigs

Protein (pg/ml)	Control	6 h p.i.	P value 2	12 h p.i.	P value 2	24 h p.i.	P value 2	48 h p.i.	P value 2	LOD (pg/ml)
IL-1β	54 ± NA1	500 ± 64	<1.00E-08	304 ± 196	<1.00E-08	1037 ± 363	<1.00E-08	1322 ± 120	<1.00E-08	62.5
IL-6	113 ± 10	9419 ± 2015	4.06E-03	4423 ± 2165	0.07	1951 ± 501	2.88E-03	1975 ± 443	0.05	62.5
IL-8	82 ± 36	3544 ± 720	<1.00E-08	2386 ± 816	<1.00E-08	2181 ± 442	<1.00E-08	4416 ± 1114	<1.00E-08	62.5
IFNγ	15 ± 3	70 ± 12	4.06E-03	27 ± 14	0.45	19 ± 7	0.50	55 ± 21	0.16	6.2

¹Only a single control sample was above limit of detection (LOD).

² P values (control vs. time group) are calculated using Mann–Whitney U test.