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Table 3 Performance characteristics of DC4 and DC-80 in comparison to IC

From: Storage of bronchoalveolar lavage fluid and accuracy of microbiologic diagnostics in the ICU: a prospective observational study

 

DC4 (95% CI)

DC-80 (95% CI)

P value

Sensitivity

96.5% (90.8-98.9)

50.4% (41.0-59.8)

<0.00001

Specificity

100% (97.3-100)

100% (97.3-100)

0.99

Positive predictive value

100% (95.8-100)

100% (92.3-100)

0.99

Negative predictive value

97.8% (94.0-99.3)

75.4% (69.3-80.7)

<0.0001

  1. DC4, delayed culture after storage at 4°C; DC-80, delayed culture after storage at -80°C; IC, immediate culture; CI, confidence interval.
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Critical Care

ISSN: 1364-8535