Table 6 The decision rules extracted from the decision tree resultant model for determining amebiasis
From: Decision tree-based learning and laboratory data mining: an efficient approach to amebiasis testing
Rule | Confidence (training) | Confidence (testing) |
|---|---|---|
Diarrhea-RBC is high | \(\frac{280}{280+3} \approx 0.989\) | \(\frac{131}{131+1} \approx 0.992\) |
Diarrhea-RBC is low, diarrhea-WBC is moderate, diagnosis is diarrhea, and mucus is present | \(\frac{5}{5+0} = 1.0\) | \(\frac{4}{4+0} = 1.0\) |
Diarrhea-RBC is low, diarrhea-WBC is moderate, and diagnosis is abdominal pain | \(\frac{9}{9+0} = 1.0\) | \(\frac{3}{3+0} = 1.0\) |
Diarrhea-RBC is low and diarrhea-WBC is very high | \(\frac{28}{28+0} \approx 1.0\) | \(\frac{17}{17+1} \approx 0.944\) |
Diarrhea-RBC is low, diarrhea-WBC is low, and neutrophils (%) ≥ 0.61 | \(\frac{8}{8+1} \approx 0.889\) | \(\frac{8}{8+1} \approx 0.889\) |
Diarrhea-RBC is low and diarrhea-WBC is high | \(\frac{20}{20+0} \approx 1.0\) | \(\frac{8}{8+0} \approx 1.0\) |
Diarrhea-RBC is moderate, diarrhea-WBC is moderate, neutrophils (%) ≥ 0.58, diagnosis is diarrhea, and WBC < 8.75 | \(\frac{15}{15+1} \approx 0.938\) | \(\frac{15}{15+3} = 0.833\) |
Diarrhea-RBC is moderate, diarrhea-WBC is moderate, neutrophils (%) ≥ 0.58, diagnosis is diarrhea, WBC ≥ 8.75, and Hb ≥ 12.05 | \(\frac{9}{9+3} = 0.75\) | \(\frac{2}{2+0} = 1.0\) |
Diarrhea-RBC is moderate, diarrhea-WBC is moderate, neutrophils (%) ≥ 0.58, and diagnosis is abdominal pain | \(\frac{6}{6+0} = 1.0\) | \(\frac{3}{3+0} = 1.0\) |
Diarrhea-RBC is moderate and diarrhea-WBC is very high | \(\frac{1}{1+0} \approx 1.0\) | \(\frac{2}{2+0} \approx 1.0\) |
Diarrhea-RBC is moderate, diarrhea-WBC is low, and neutrophils (%) ≥ 0.63 | \(\frac{9}{9+2} \approx 0.818\) | \(\frac{4}{4+1} \approx 0.8\) |
Diarrhea-RBC is moderate and diarrhea-WBC is high | \(\frac{82}{82+5} = 0.942\) | \(\frac{33}{33+0} = 1.0\) |
Diarrhea-RBC is very high | \(\frac{30}{30+0} = 1.0\) | \(\frac{15}{15+0} = 1.0\) |
Average confidence | 0.949 | 0.947 |