Effect of exogenous insulin on survival of LPS - induced actue lung injury in rats. Insulin or saline (LPS group) was administered continuously by a micro-osmotic pump. Survival was evaluated for 72 hours. Results are presented as a Kaplan-Meier plot (n = 10 per group).*P < 0.01 vs LPS group;# P < 0.05 vs LPS + Insulin group.