Table 2.

Density of leukocytes and neutrophils in PVS at different time points after NaCl- or LPS-instillation (cells per mm², mean value ± SEM)

Group/time	All leukocytes	Neutrophils
Saline 6 hours	0.3 ± 0.05	0*
LPS 1 hour	0.3 ± 0.09	0.02 ± 0.02
LPS 6 hours	0.6 ± 0.32	0.2 ± 0.14+
LPS 12 hours	0.5 ± 0.23	0.1 ± 0.09
LPS 24 hours	0.6 ± 0.23	0*
LPS 36 hours	0.6 ± 0.09+	0*

⁺

significant p < 0.05, *single cells were found

PMN = polymorphonuclear cells/granulocytes (>99% neutrophils)