Risks factors

Frequency (%)

P value

Old age

26 (28)

Immobility

40 (43)

Overweight/obesity

54 (58.1)

Varicose veins

3 (3.2)

Thrombosis past history

4 (4.3)

Puerperium

4 (4.3)

Surgery

4 (4.3)

Prior admission

21 (22.6)

Contraceptive use

4 (4.3)

Cancer

4 (4.3)

Long trip

18 (19.4)

Genetic thrombophilia

2 (2.2)

Chronic infectious and inflammatory diseases

12 (12.9)

HIV infection

Mean age of HIV patients

Mean age non HIV patient

21 (22.6)

43.6

56.1

0.002