Table 1. Vital signs 2 hours after instillation of saline, 3 or 6 mg/kg LPS.

Vital signs	Variable ± SD
	Saline (n=10)	LPS (3 mg/kg) (n=10)	LPS (6 mg/kg) (n=10)
Heart rate, bpm	420±17	390±72	382±63
Systemic blood pressure, mmHg	118±15	68±10a	61±8a
PaO2/FiO2 index	524±56	280±16a	212±12a
Mean B-lineper animal	2.40±1.35	11.10±4.53a	20.10±6.62a

^a, P<0.0001 vs. saline. LPS, lipopolysaccharide; SD, standard deviation.