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Kaplan-Meier estimator of survival as a function of time for mice injected daily with either saline or LPS between postnatal days 3 and 13. Approximately 50% of newborn mice survived to day 14 when injected daily with 0.3 mg/kg of LPS (dotted line) compared to 83% of mice injected with saline (solid line; p < 0.05). The death rate was comparable among the litters in the LPS group.
