CD34 and Sepsis: When excluding these 7 patients in the statistical analysis—since age has a negative effect on vascular progenitor cell numbers—the CD34+/CD133+-stem cells in sepsis-survivors were significantly increased by 76% compared to non-survivors (Mean ± SD: 0,29 ± 0,13% vs. 0,17 ± 0,13%, p = 0,034).