Research Article

Increased Serum Concentrations of TNF-Like Weak Inducer of Apoptosis Predict Higher 28-Day Mortality in Patients with Sepsis

Table 2

Diagnostic performances of 3 routine biomarkers (lactate, NT-proBNP and CRP), ΔTWEAK and combinative index (ΔTWEAK concentrations and lactate) for prognosis of patients with sepsis.

IndicatorsAUROC (95% CI)Cut-off valueSensitivity (%)Specificity (%)LR+LR-

Lactate0.746 (0.636-0.837)2.2 mmol/L63.3 (49.9-75.4)79.0 (54.4-93.9)3.010.46
procalcitonin0.524 (0.408-0.637)12.3 ng/ml76.7 (64.0-86.6)42.1 (20.3-66.5)1.320.55
CRP0.534 (0.418-0.647)62.5 mg/L86.7 (75.4 – 94.1)36.8 (16.3 – 61.6)1.370.36
ΔTWEAK0.754 (0.645-0.844)12.0 pg/ml68.3 (55.0-79.7)84.2 (60.4-96.6)4.330.38
Combinative index0.860 (0.763-0.928)0.775976.7 (64.0-86.6)84.2 (60.4-96.6)4.860.28

CRP, C-reactive protein; TWEAK, Tumor Necrosis Factor Weak Inducer of Apoptosis; AUROC, area under the receiver operating characteristic curve; LR, likelihood ratio.
ΔTWEAK concentrations refer to dynamic changes of TWEAK concentrations between 1st day and 3rd day of admission to ICU.