Kaplan-Meier plot of the survival of mice to LPS. Survival curves of WT mice (solid line, n = 30) and PC^−/−PC(tg4)/TF^−/−hTF(tg) mice (dashed line, n = 24) treated with 10 μg LPS/g body weight. No significant difference in survival was found between the 2 strains of mice.