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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