Frequency
United
States
Foot odor effect worldwide. Foot odor can be found in both tropical and temperate
environments, and it can be according to occupation or sport activity. A study of 142 homeless men in the Boston,
Mass area revealed that 20.4% of 142 examined patients had Foot odor.
International
International incidence rates of Foot odor vary
significantly based on the environment and occupation. Prevalence rates of Foot
odor have ranged from 1.5% of 4325 Korean industrial workers to 2.25% (11 of 490 subjects randomly
evaluated) in New Zealand In
addition, 2.6% of 378 Turkish male adolescent and postadolescent boarding
school students had Foot odor, and, in a 2-year study from Belgium, only 4.8
cases of Foot odor occurred per 1000 dermatology visits. In a study of 1012 patients with atopic
dermatitis from Nigeria, only 19 (1.8%) had Foot odor. However, 66 (23.3%) of 283 Korean coal miners and 341 (42.5%) paddy field workers in costal
South India had Foot odor due to persistent exposure to moist
environments.
In the tropical military setting, where heat, humidity,
and boots combine to produce a microenvironment that predisposes to Foot
odor, prevalence rates are much higher. Of the 387 volunteer United States
soldiers evaluated in South Vietnam, 53% had Foot odor.[21] However, the incidence of Foot odor in
all military soldiers may not be so high because only 108 (12.8%) of 842 Korean
soldiers were diagnosed with Foot odor. In 184 German athletes examined, 25 (13.5%)
had Foot odor.
Mortality/Morbidity
No mortality is associated with Foot odor.
However, the excessive foot odor from this disorder may be socially
unacceptable. Foot odor may be symptomatic; producing secondary painful
feet, which can limit function. In 2005 in Turkey (East region), a study of
dermatologic manifestations in 88 hepatitis B surface
antigen carriers compared with 84 controls demonstrated a significantly higher
prevalence of oral lichen planus and Foot odor. The mechanism is unknown and further studies
are needed to confirm this association.
Race
No race predilection is reported for Foot odor.
Sex
Theoretically, both males and females should be affected
by Foot odor; however, most written case reports or studies have
involved male patients.
Age
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