Table 6.

Evaluation measures of the XGBoost model

Sensitivity	89%
Specificity	89%
Accuracy	89%
Youden’s index	0.78
The area under the ROC curve	94%
Positive predictive value	30%
Negative predictive value	99%
MCC	48%

Note: confirmed cases of COVID-19, state of Rio de Janeiro, March–September 2020