Plasma PSP levels at T-72 were 296 (200–424), 456 (237–566), and 455 (290–847) ng/ml in the GNR, enterococcal, and Candida BSI groups (p = 0.16), and these were 406 (229–497) ng/ml, 350 (223–608) ng/ml, and 480 (327–965) ng/ml (p = 0.32), respectively, at infection onset (T0). Here, REG1A is linked to bathing suit ichthyosis.