Research Article

Identifying the Association Rules between Clinicopathologic Factors and Higher Survival Performance in Operation-Centric Oral Cancer Patients Using the Apriori Algorithm

Table 2

Ranking of the top 10 best rules found in survival larger than 36 months.

Body*1No.Head*1No.ConfidenceLift*2LeverageConviction

Grade/differentiation = 2
Clinical stage group = early
49Primary site = tongue
Group = OP
270.551.910.051.52
Primary site = tongue
Group = OP
78Grade/differentiation = 2
Clinical stage group = early
270.351.910.051.23
Primary site = tongue
Clinical stage group = early
70Grade/differentiation = 2
Group = OP
270.391.90.051.27
Grade/differentiation = 2
Group = OP
55Primary site = tongue
Clinical stage group = early
270.491.90.051.41
Grade/differentiation = 260Primary site = tongue
Clinical stage group = early
Group = OP
270.451.880.051.34
Primary site = tongue
Clinical stage group = early
Group = OP
65Grade/differentiation = 2270.421.880.051.3
Primary site = tongue88Grade/differentiation = 2
Clinical stage group = early
Group = OP
270.311.810.041.18
Grade/differentiation = 2
Clinical stage group = early
Group = OP
46Primary Site = tongue270.591.810.041.55
Grade/differentiation = 260Primary site = tongue
Clinical stage group = early
270.451.740.041.31
Primary site = tongue
Clinical stage group = early
70Grade/differentiation = 2270.391.740.041.24

Stages 0 to 3 of clinical stage group and pathologic stage group as shown in Table 1 are regarded as early and stage 4 is regarded as late stage in Table 2.
The best rules with lift >1.5 were shown here.