Table 2.

Comparison of plasma iNOS to procalcitonin as a biomarker to detect the onset of sepsis in ER cohort 1.

n = 146Plasma iNOS resultsan = 141PCT resultsb
iNOSSepticNonsepticPCTSepticNonseptic
Positive7612Positive7332
Negative1444Negative288
  • a Sensitivity, 84.4; specificity, 78.5; positive predictive value, 86.3; negative predictive value, 75.8.

  • b Sensitivity, 72.3; specificity, 20.0; positive predictive value, 69.5; negative predictive value, 22.2.