2.3. Blood Sampling Measurement
BLOOD
The serum IL-11 and other inflammatory factors levels were measured by enzyme-linked immunosorbent assay (ELISA). Blood samples of fasting cubital venous (5 mL) were collected within 24 h after admission for all cases. Samples were centrifuged at 2000 g for 15 min, following with ELISA tested using commercially available kits (IL-11 EK0419 BOSTER, sensitivity < 10 pg/mL, detection range 31.2 pg/mL-2000 pg/mL, IL-6 MBS175877 MyBioSource, CRP MBS177184 MyBioSource, TNF-