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Table 5 Diagnostic Accuracy for detecting acidemia

From: Diagnostic utility of capnography in emergency department triage for screening acidemia: a pilot study

 

Sensitivity

(95% CI)

Specificity

(95% CI)

LR+

(95% CI)

LR-

(95% CI)

PPV

(95% CI)

NPV

(95% CI)

RR > 25 bpm

35.7

(18.6–55.9)

83.3

(72.7–91.1)

2.14

(1.05–4.39)

0.77

(0.57–1.04)

45.5

(28.9–63.1)

76.9

(71.3–81.7)

EtCO2 < 32 mmHg

71.43

(51.3–86.8)

84.7

(74.3–92.1)

4.68

(2.59–8.45)

0.34

(0.19–0.61)

64.5

(50.1–76.7)

88.4

(80.8–93.3)

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International Journal of Emergency Medicine

ISSN: 1865-1380

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