Table 3.

Cytokine levels in both serum and exhaled breath condensate on hospital admission of patients with community-acquired pneumonia

Cytokine	Cytokine level (pg/ml)
	Serum	Exhaled breath condensate
Pro-inflammatory
IL-1	1.11 (0.87–1.53)	0.20 (0.08–1.10)
IL-1α	0.11 (0.06–0.21)	0.11 (0.05–0.22)
IL-1b	0.96 (0.76–1.36)	0.00 (0.00–0.95)
IL-2	1.14 (0.84–1.83)	0.80 (0.00–1.24)
IL-6	28.95 (9.92–106.27)	0.00 (0.00–0.10)
IL-8	12.82 (8.10–43.81)	0.36 (0.00–0.47)
IFNγ	0.82 (0.46–2.81)	0.00 (0.00–0.16)
TNFα	5.86 (3.85–8.94)	0.00 (0.00–0.76)
Anti-inflammatory
IL-4	1.53 (1.32–1.99)	1.98 (1.55–2.39)
IL-10	1.33 (0.78–2.08)	0.27 (0.00–0.37)

Data presented as median (interquartile range)

IL interleukin, IFN interferon, TNF tumor necrosis factor