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Table 5 Predictive values of the ROX, mROX, ROX-HR, and mROX-HR indices for COVID-19 pneumonia and non-COVID-19 patients

From: Prediction of high-flow nasal cannula outcomes at the early phase using the modified respiratory rate oxygenation index

Indices

COVID-19 pneumonia

Non-COVID-19

P value

AUROC

95% CI

AUROC

95% CI

2 h ROX

0.911

0.732–0.986

0.756

0.612–0.867

0.1514

2 h mROX

0.952

0.790–0.998

0.806

0.668–0.905

0.0749

2 h ROX-HR

0.958

0.799–0.999

0.775

0.633–0.882

0.0523

2 h mROX-HR

0.958

0.799–0.999

0.82

0.684–0.915

0.0742

  1. Annotation: AUROC, area under the receiver operating characteristic curve; CI: confidence interval; ROX, SpO2 /FiO2 (%) to RR (breaths/min); mROX, PaO2/FiO2(%) to RR (breaths/min); ROX-HR, ROX/HR*100; mROX-HR, mROX /HR*100
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BMC Pulmonary Medicine

ISSN: 1471-2466

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