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Table 5 Multilevel likelihood ratios for hsCRP and PCT to diagnose bacteremia in patients with CAP

From: Diagnostic and prognostic accuracy of clinical and laboratory parameters in community-acquired pneumonia

 

N (%)

Sensitivity

Specificity

LR +

LR -

PCT (μg/L)

     

> 0.1

336 (90)

1.0

0.11

1.12

< 0.01

> 0.25

274 (74)

0.98

0.29

1.38

0.08

> 0.5

213 (57)

0.93

0.48

1.78

0.14

> 1.0

160 (43)

0.86

0.63

2.32

0.22

hsCRP (mg/L)

N (%)

Sensitivity

Specificity

LR +

LR -

> 40

331 (89)

0.91

0.12

1.03

0.79

> 50

323 (87)

0.91

0.14

1.06

0.65

> 100

257 (69)

0.86

0.33

1.30

0.41

> 200

134 (36)

0.64

0.68

1.98

0.54