Current status
The presumed mode of HIV acquisition of patients currently followed is depicted according to gender in fig. 12 (males) and fig. 13 (females), as well as by clinical centre in fig. 14. The majority of persons active in the SHCS acquired infection sexually (males about 85%, females about 80%).
Figure 15 illustrates the increasing use of multiple (i.e. triple or more than 3 drugs) combination therapies in the SHCS. The proportion of non-treated patients has continuously decreased in the last few years and amounts, currently, to less than 1%.
As of December 2022, more than 77% of the patients were receiving at least three drugs (fig. 16).
Figure 17 depicts the situation of treatment status by presumed mode of HIV acquisition. The proportion of patients who have never been treated is small in all risk groups (<1%).
Figure 18 summarizes the complex history of antiretroviral prescriptions in the SHCS.
In the last thirty years, the age structure of the cohort has drastically changed as depicted by fig. 19.
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