Table 3 Accuracy for outcome prediction of in-hospital mortality over different test cut-points.

From: The sensitivity of qSOFA calculated at triage and during emergency department treatment to rapidly identify sepsis patients

 

Sensitivity (95% CI)

Specificity (95% CI)

NPV (95% CI)

PPV (95% CI)

AUC (95% CI)

tSIRS ≥ 2 (n = 2859)

82.2 (78.2–85.8)

17.7 (16.2–19.3)

85.6 (82.2–88.5)

14.4 (13.0–15.8)

0.50 (0.48–0.52)

maxSIRS ≥ 2 (n = 2859)

98.1 (96.2–99.2)

2.2 (1.8–2.8)

81.4 (66.6–91.6)

14.3 (13.0–15.7)

0.50 (0.49–0.50)

Initial lactate ≥ 3 mmol/L (n = 2306)

67.8 (62.4–72.8)

57.4 (55.2–59.6)

91.5 (89.9–93.0)

20.8 (18.4–23.3)

0.63 (0.60–0.65)

Repeat Lactate ≥ 3 mmol/L (n = 1320)

54.8 (48.4–61.1)

76.1 (73.5–78.6)

87.9 (85.7–90.0)

34.7 (30.0–39.6)

0.65 (0.62–0.69)

Lactate clearance ≥ 10% (n = 1320)

66.1 (59.9–72.0)

17.7 (15.5–20.1)

69.3 (63.5–74.7)

15.7 (13.5–18.0)

0.42 (0.39–0.45)

tqSOFA ≥ 2 (n = 2845)

32.9 (28.4–37.7)

84.7 (83.2–86.1)

88.3 (86.9–89.6)

26.4 (22.6–30.4)

0.59 (0.56–0.61)

qSOFA ≥ 2 (n = 2840)

69.0 (64.2–73.4)

55.5 (53.5–57.5)

91.5 (89.9–92.8)

20.6 (18.4–22.8)

0.62 (0.60–0.65)

  1. Overall mortality rate in severe sepsis dataset: 14.3% (95% CI: 13.0% to 15.6%).