Table 6 Proposed responsible healthcare chatbot approach performance in training and validation.

From: Responsible CVD screening with a blockchain assisted chatbot powered by explainable AI

XGBoost

Acc (%)

TPR (%)

TNR (%)

FNR (%)

FPR (%)

LR+

LR−

PPV (%)

NPV (%)

Training

98.17

97.47

98.65

1.83

1.35

72.2

0.019

98.05

98.26

Validation

97.40

97.83

96.84

2.60

3.16

30.96

0.027

97.61

97.12