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Table 7 List of features appearing in the constructed trees for discriminating among different classes (the five columns on the right)

From: Visually guided classification trees for analyzing chronic patients

FeatureDescription5192-6144-70711000-5192-6144-70715424-6144-70711000-5424-6144-70711000-5192-5424-6144-7071
250Diabetes mellitus(1)(1) (1)(1)
272Disorders of lipoid metabolism   (7) 
366Cataract (7)   
401Essential hypertension (3)(2)(4)(3,4,5)
496Chronic obstructive pulmonary disease(3)(3)(3)(3)(3)
724Other and unspecified disorders of back(12)(6)   
780General symptoms(8)    
A02BCProton pump inhibitors (3,11)(7,8) (5,6)
A03FAPropulsives   (7) 
A10AEInsulins and analogues for injection, long-acting(11)(5)(4,5)  
A10BABlood glucose lowering drugs, excl. Insulins(2,4)(2,4)(8) (2)
A10BDCombinations of oral blood glucose lowering drugs(10)(10)   
B01ABHeparin group. Antithrombotic agents    (5)
B01ACPlatelet aggregation inhibitors excl. heparin  (7)  
C03CASulfonamides, plain. High-ceiling diuretics (9)(6)(6)(7)
C07AABeta blocking agents, non-selective(6)    
C07ABBeta blocking agents, selective  (9)  
C08CASelective calcium channel blockers with mainly vascular effects. Dihydropyridine derivatives(13) (5)  
C09AAACE inhibitors, plain (6)(3) (4,6)
C09BAACE inhibitors and diuretics (7)  (8)
C10AAHMG coa reductase inhibitors (8,9)(7,9)  
M02AAAntiinflammatory preparations, non-steroids for topical use   (6) 
M04AAPreparations inhibiting uric acid production  (5)  
N02BBOther analgesics and antipyretics. Pyrazolones (8)(8,9) (3,6)
N02BEOther analgesics and antipyretics. Anilides(9) (6,8) (6)
N05ALAntipsychotics. Benzamides(2,3)(2,4)(1)(2)(2)
N05CDHypnotics and sedatives(5)  (5) 
N06ABSelective serotonin reuptake inhibitors    (6,7)
N06AXAntidepressants (6)   
N06DAAntidepressants  (6)  
R01AXOther nasal preparations  (10)  
R03BBAnticholinergics(7) (4) (6)
R05CBMucolytics (5)(9)  
Age (14)(7) (8) 
  1. The numbers in parenthesis correspond to the level where the feature appears in the tree (where the root node is at level 1)