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Table 4 Test evaluation of baseline concentration of CRP > 24 mg/L for predicting the development of hypoxemia requiring oxygen therapy during follow up after excluding patients admitted to hospital during initial triage

From: Role of interleukin 6 as a predictive factor for a severe course of Covid-19: retrospective data analysis of patients from a long-term care facility during Covid-19 outbreak

Statistic Value 95% CI
Sensitivity 90.91% 58.72 to 99.77%
Specificity 79.41% 62.10 to 91.30%
Disease prevalence 24.44% 12.88 to 39.54%
PPV 58.82% 41.84 to 73.94%
NPV 96.43% 80.52 to 99.44%
Accuracy 82.22% 67.95 to 92.00%
  1. 95% CI 95% confidence interval, NPV negative predictive value, PPV positive predictive value
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