Skip to main content

Table 4 Predictive values of the ROX, mROX, ROX-HR, and mROX-HR indices for HFNC success 

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

Indices

AUROC

95% CI

Cutoff

Sensitivity

Specificity

p value

Baseline mROX

0.661

0.540–0.782

7.1

0.431

1.00

 

Baseline ROX-HR

0.676

0.557–0.796

7.9

0.471

0.917

 

Baseline mROX-HR

0.722

0.610–0.835

6.7

0.510

0.958

 

2 h ROX

0.829

0.721–0.937

6.2

0.824

0.750

0.1997

2 h mROX

0.878

0.795–0.961

4.3

0.961

0.708

2 h ROX-HR

0.855

0.757–0.954

5.8

0.784

0.833

0.2141

2 h mROX-HR

0.891

0.812–0.969

4.1

0.902

0.792

  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
Back to article page

BMC Pulmonary Medicine

ISSN: 1471-2466

Contact us