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Table 3 Test evaluation of baseline concentration of IL-6 > 24 pg/mL 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% confidence interval
Sensitivity 100.00% 69.15–100.00%
Specificity 88.89% 70.84–97.65%
Disease prevalence 27.03% 13.79–44.12%
PPV 76.92% 53.42–90.64%
NPV 100.00% Non available
Accuracy 91.89% 78.09–98.30%
  1. 95% CI 95% confidence interval, NPV negative predictive value, PPV positive predictive value