Role of immature granulocyte and blood biomarkers in predicting perforated acute appendicitis using machine learning model

Table 2 Results of training and test set metrics of groups based on acute appendicitis status

Groups, metrics (%)	Control vs entire AAp		Uncomplicated vs complicated AAp
	Training set	Test set	Training set	Test set
Accuracy	96.5	96.3	82.5	78.9
Balanced accuracy	95.4	97.4	81.1	80.1
Sensitivity	97.5	94.7	76.9	83.3
Specificity	93.9	100	85.2	76.9
Positive predictive value	97.5	100	71.4	62.5
Negative predictive value	93.9	88.9	88.5	90.9
F1 score	97.5	97.3	74.1	71.4
AUC	96.4	94.7	82.5	79.0
Accuracy	96.5	96.3	82.5	78.9

AAp: Acute appendicitis; AUC: Aera under the curve.