Table 1.

Demographic data for the samples included in the study

Demographic data
Gender	n	%
Male	26 762	48.4
Female	28 558	51.6
Age group (years)
0–9	12 786	23.1
10–19	3296	6.0
20–59	27 556	49.8
⩾60	11 682	21.1
Zone
North	11 666	21.1
Central	29 581	53.5
South	14 073	25.4
Clinical situation
Hospitalised	35 643	64.4
Ambulatory	19 677	35.6