Table 1 Diagnostic test accuracy for prediction of admission to intensive care unit
From: Non-invasive predictors of ICU admission and mortality in initially asymptomatic COVID-19 patients
Best cutoff | Sensitivity | Specificity | Positive predictive value | Negative predictive value | Accuracy | AUC | P value | |
|---|---|---|---|---|---|---|---|---|
So2 on RA (93%) | 93 | 70.690% (57.27% to 81.91%) | 84.615% (75.536% to 91.326%) | 74.545% (63.76% to 82.98%) | 81.915% (75.053% to 87.211%) | 79.195% (71.787% to 85.405%) | 0.874 | 0.0001 |
Ferritin | 422.5 | 70.69% (57.27% to 81.91%) | 58.24% (47.43% to 68.50%) | 51.90% (44.58% to 59.14%) | 75.71% (66.84% to 82.82%) | 63.09% (54.80% to 70.84%) | 0.696 | 0.0001 |
NIV | – | 31.03% (19.54% to 44.54%) | 97.80% (92.29% to 99.73%) | 90.00% (68.44% to 97.39%) | 68.99% (65.12% to 72.61%) | 71.81% (63.87% to 78.87%) | – | – |
The 3 factors in series | – | 19.403% (10.756% to 30.891%) | 100.00% (96.03% to 100.00%) | 100.00% | 62.76% (59.97% to 65.46%) | 65.823%% (57.866% to 73.173%) | – | – |