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

250

Diabetes mellitus

(1)

(1)

(1)

(1)

272

Disorders of lipoid metabolism

(7)

366

Cataract

(7)

401

Essential hypertension

(3)

(2)

(4)

(3,4,5)

496

Chronic obstructive pulmonary disease

(3)

(3)

(3)

(3)

(3)

724

Other and unspecified disorders of back

(12)

(6)

780

General symptoms

(8)

A02BC

Proton pump inhibitors

(3,11)

(7,8)

(5,6)

A03FA

Propulsives

(7)

A10AE

Insulins and analogues for injection, long-acting

(11)

(5)

(4,5)

A10BA

Blood glucose lowering drugs, excl. Insulins

(2,4)

(2,4)

(8)

(2)

A10BD

Combinations of oral blood glucose lowering drugs

(10)

(10)

B01AB

Heparin group. Antithrombotic agents

(5)

B01AC

Platelet aggregation inhibitors excl. heparin

(7)

C03CA

Sulfonamides, plain. High-ceiling diuretics

(9)

(6)

(6)

(7)

C07AA

Beta blocking agents, non-selective

(6)

C07AB

Beta blocking agents, selective

(9)

C08CA

Selective calcium channel blockers with mainly vascular effects. Dihydropyridine derivatives

(13)

(5)

C09AA

ACE inhibitors, plain

(6)

(3)

(4,6)

C09BA

ACE inhibitors and diuretics

(7)

(8)

C10AA

HMG coa reductase inhibitors

(8,9)

(7,9)

M02AA

Antiinflammatory preparations, non-steroids for topical use

(6)

M04AA

Preparations inhibiting uric acid production

(5)

N02BB

Other analgesics and antipyretics. Pyrazolones

(8)

(8,9)

(3,6)

N02BE

Other analgesics and antipyretics. Anilides

(9)

(6,8)

(6)

N05AL

Antipsychotics. Benzamides

(2,3)

(2,4)

(1)

(2)

(2)

N05CD

Hypnotics and sedatives

(5)

(5)

N06AB

Selective serotonin reuptake inhibitors

(6,7)

N06AX

Antidepressants

(6)

N06DA

Antidepressants

(6)

R01AX

Other nasal preparations

(10)

R03BB

Anticholinergics

(7)

(4)

(6)

R05CB

Mucolytics

(5)

(9)

Age

(14)

(7)

(8)