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Table 3 Performance of initial RT-PCR and CT in detecting patients who require isolation

From: Evaluation of patients with respiratory infections during the first pandemic wave in Germany: characteristics of COVID-19 versus non-COVID-19 patients

 

Results (n)

Test performance (%)

TP

TN

FP

FN

Sensitivity [95% CI]

Specificity [95% CI]

PPV [95% CI]

NPV [95% CI]

Accuracy [95% CI]

Initial PCR

66

106

–

3

79.5 (66/83)

[69.6–86,8]

100 (106/106)

[96.5–100]

100 (66/66)

[94.5–100]

86.2 (106/123)

[79.0–91.2]

91.0 (172/189)

[86.1–94.3]

Initial CT

75

70

36

8

90.4 (75/83)

[82.1–95.0]

66.0 (70/106)

[56.6–74.4]

67.6 (75/111)

[58.4–75.6]

89.7 (70/78)

[81.1–94.7]

76.7 (145/189)

[70.2–82.2]

  1. TP true positive, TN true negative, FP false positive, FN false negative, PPV positive predictive value, NPV negative predictive value, CI confidence interval.
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BMC Infectious Diseases

ISSN: 1471-2334

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