The Hierarchies of Multivalued Attribute Domains and Corresponding Applications in Data Mining

Table 1

Category	Systolic(mmHg)	Diastolic(mmHg)
Normal value	120	80
Normal high value	120 ~139	80 ~89
High blood pressure	140	90
(Hypertension) stage 1	140 ~159	90 ~99
(Hypertension) stage 2	160 ~179	100 ~109
(Hypertension) stage 3	180	110
Simple systolic hypertension	140	89