Fig. 1From: Procalcitonin is an essential biomarker for hydrocortisone, ascorbic acid, and thiamine (HAT) therapy in patients with sepsisTime course of the serum procalcitonin (PCT) over the 4-day treatment period in the group that received hydrocortisone, ascorbic acid, and thiamine (HAT Rx) as compared to the control group, as reported in our pivotal pilot study [1]. PCT plotted on a semilog scale. *p < 0.001 for comparison of treatment group vs control group. Reproduced with permission from CHESTBack to article page