Table 8 The frequent patterns generated from the CR-tree in Figure 7

Drug = d_1,Symptom = s₁

3

Drug ₁ = d₁, Drug₂ = d_3,Symptom = s₁

3

Age = a₂, Drug = d_1,Symptom = s₁

3

Age = a₂, Drug₁ = d₁, Drug₂ = d_3,Symptom = s₁

3

Drug = d_3,Symptom = s₁

3

Age = a₂, Drug = d₃, Symptom = s₁

3

Age = a₂, Symptom = s₁

3