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. 2002 Dec;54(6):665–670. doi: 10.1046/j.1365-2125.2002.t01-3-01689.x

Table 2.

Medical diagnosis according to the International Classification of Diseases, 9th revision, and classes of prescribed drugs according to the first level of the Anatomical, Therapeutic and Chemical Classification. Results are presented as percentage of patients and as percentage of the total of drugs, in the total sample and in the different classes of age

Classes of age Total sample* New-borns Infants Children Adolescents
ICD 9th (% of patients)
Infectious diseases 9.3 13.3 8.5 10.1 5.5
Tumours 0.07 0.1
Endocrine system 0.07 0.1
Blood 0.3 0.6
Mental diseases 1.5 0.4 3.0 5.5
Nervous and sensorial system 15.3 8.3 16.4 14.7 16.6
Circulatory system 0.07 0.1
Respiratory system 56.5 20.0 51.8 67.9 22.2
Digestive system 8.3 8.3 10.6 5.7
Genito-urinary system 1.3 0.4 2.3 11.1
Skin 7.4 13.3 9.5 4.3
Musculo-skeletal system 0.9 0.5 1.2 11.1
Congenital abnormalities 0.4 1.6 0.2 0.5
Perinatal diseases 0.3 6.6 0.1
Symptoms 11.5 13.3 9.3 14.2 16.6
Injuries 1.1 1.3 1.0
Health status 28.7 53.3 36.5 15.5 27.7
ATC (% of drugs)
Digestive tract and metabolism 23.6 41.9 25.9 18.4 28.2
Blood 0.7 3.4 0.6 0.6
Cardiovascular system 0.1 0.1 0.2
Dermatological drugs 5.4 10.8 6.5 3.4 2.6
Genito-urinary system 0.1 0.3
Systemic hormones 1.7 0.7 1.2 2.5 5.1
Systemic anti infectious drugs 15.6 6.1 16.7 14.6 12.8
Muscle and skeletal system 1.7 0.7 1.7 1.8 2.6
Nervous system 13.8 7.4 13.7 14.6 10.3
Anti protozoal drugs 0.4 0.1 1.0
Respiratory system 29.7 10.8 26.1 36.9 30.7
Sensorial system 3.2 8.8 3.2 2.5 5.1
Miscellaneous** 1.9 4.7 1.8 1.6 2.6
‘Homeopathy’ 2.1 4.7 2.4 1.6
*

The total sum is superior to 0, since children could present more than one diagnosis.

**

Miscellaneous drugs correspond to allergens and nutriments.