APH 2000, 58, 85-107:

Descriptive analysis of the pharmaceutical prescription evolution in the Belgian ambulatory sector between 1986 and 1996.

D. Philippart, R. Van Tielen, G. Sturbois, and F. Peys

Keywords: corespondence analysis, trajectories classification, evolution data, prescriptions

The analysis of the pharmaceutical prescriptions evolution according to age groups is often restricted to some histograms. lt is difficult to consider this approach if the aim is to study and compare the structural evolution of the public spending for each therapeutic class (Anatomic Therapeutic Class). The factorial analysis and classification methods allow us in this respect to see the associations between age groups and various therapeutic classes synthetically. The results obtained by classification are fully consistent with the pharmacotherapeutic and epidemiologic reality, from the standpoints of age and the pathologies undertying the prescriptions. The previously unpublished graphic representation enables decision-makers (in health or health care) to assess pharmacotherapeutic classes by age with only one graph.  Indeed, up to now, the sole available data concerned the type of the beneficiary (TIP (normal insured person), VIPO (widows, disabled, pensioners and orphans),...).