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Table 3 Area under the summary receiver operator characteristic curve (sAUC) in clinically important subgroups

From: Performance of the ROX index in predicting high flow nasal cannula failure in COVID-19 patients: a systematic review and meta-analysis

 

Number of studies

Number of patients

Number of cut-offs

sAUC

p-value for between- subgroup difference

Average age

     

< 65

15

4013

27

0.757 (95% CI: 0.646–0.837)

0.067

≥ 65

6

552

11

0.715 (95% CI: 0.439–0.877)

 

Proportion of patients on corticosteroid treatment

     

> 75%

5

755

8

0.711 (95% CI: 0.293–0.883)

0.696

≤ 75%

3

819

7

0.721 (95% CI: 0.005–0.997)

 

Admission year

     

2020

15

3978

31

0.750 (95% CI: 0.633–0.833)

0.404

2021

4

303

8

0.774 (95% CI: 0.085–0.980)

 
  1. CI confidence interval