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Table 4 Diagnostic sensitivity, specificity, predictive values and positive/negative likelihood ratios of lactate, qSOFA, SOFA for mortality

From: Prognostic accuracy of the serum lactate level, the SOFA score and the qSOFA score for mortality among adults with Sepsis

   Sensitivity Specifity PPV NPV LR+ LR-
Lactate 0.512 0.730 0.592 0.339 1.453 0.512
30-day mortatily qSOFA 0.236 0.822 0.496 0.416 0.817 0.481
SOFA 0.545 0.725 0.603 0.325 1.521 0.480
Lactate 0.414 0.820 0.669 0.361 2.023 0.566
90-day mortatily qSOFA 0.230 0.827 0.594 0.509 1.159 0.837
SOFA 0.510 0.740 0.685 0.424 2.178 0.737
Lactate 0.421 0.829 0.666 0.360 1.994 0.563
hospital mortatily qSOFA 0.234 0.822 0.515 0.429 0.856 0.529
SOFA 0.645 0.647 0.595 0.307 1.475 0.443
Lactate 0.394 0.804 0.757 0.523 3.117 1.097
1-year mortatily qSOFA 0.232 0.838 0.673 0.568 1.478 1.174
SOFA 0.482 0.738 0.725 0.498 2.637 0.993
  1. PPV, Positive predictive value; NPV, Negative predictive value; LR+, Positive likelihood ratio; LR-, Negative likelihood ratio