ANGPT1 and Sepsis: When separated patients into two subgroups including severe sepsis patients and those with septic shock, angiopoietin-1 levels were significantly increased in severe sepsis patients (334.57 pg/ml) compared with control individuals (91.6 pg/ml) (p < 0.0001) while there was no significant difference in angiopoietin-1 levels between patients with septic shock (165.9 pg/ml) and control group (p = 0.07).