Skip to main content
. 2021 Jul 20;14:2763–2775. doi: 10.2147/IDR.S304952

Table 4.

Prognostic Accuracy of SOFA, qSOFA, and SIRS for 28-Day Mortality

SOFA ≥2 qSOFA ≥2 SIRS ≥2
Sensitivity (95% CI) 61.4 (53.3–69.0) 19.6 (13.7–26.7) 52.5 (44.4–60.5)
Specificity (95% CI) 67.3 (65.1–69.4) 92.4 (91.1–93.6) 51.5 (49.2–53.7)
PPV (95% CI) 13.6 (11.2–16.3) 17.8 (12.4–24.3) 8.3 (6.7–10.2)
NPV (95% CI) 95.4 (94.2–96.5) 93.2 (92.0–94.3) 92.8 (91.1–94.3)
Likelihood ratio (+) 1.9 (1.6–2.2) 2.6 (1.8–3.7) 1.1 (0.93–1.3)
Likelihood ratio (-) 0.6 (0.5–0.7) 0.9 (0.8–0.9) 0.9 (0.8–1.1)
SOFA qSOFA SIRS
AUROC (95% CI) 0.68 (0.64–0.73) 0.63 (0.58–0.67) 0.52 (0.47–0.56)

Abbreviations: AUROC, area under the receiver operating characteristic curve; CI, confidence interval; NPV, negative predictive value; PPV, positive predictive value.