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Increasing Prevalence of Trichophyton rubrum Identified through an Analysis of 115,846 Cases over the Last 37 Years.

Lee WJ, Kim SL, Jang YH, Lee SJ, Kim do W, Bang YJ, Jun JB - J. Korean Med. Sci. (2015)

Bottom Line: Disease was most prevalent among patients in their twenties in the 1970s and 1980s; in their thirties in the 1990s; in their forties in the 2000s; and in their fifties in the 2010s.The sex ratio was 1.5:1.Toe webs were most frequently involved, followed by toenails and groin.

View Article: PubMed Central - PubMed

Affiliation: Department of Dermatology, Kyungpook National University School of Medicine, Daegu, Korea.

ABSTRACT
Trichophyton rubrum is the most common dermatophyte in the world with the highest prevalence in Korea. There are few reports about epidemiological and mycological characteristics of T. rubrum based on long-term, large-scale studies. The purpose of this study was to investigate the clinical and epidemiological characteristics of T. rubrum infections in Korea. We retrospectively investigated with patients' records about the epidemiological and mycological status of 115,846 cases with T. rubrum infection that was mycologically diagnosed at Catholic Skin Disease Clinic from 1979 to 2013. Direct microscopy in 15% KOH solution and culture was done in each case. The annual incidence of patients with T. rubrum infection had been increasing during the period; and of 131,122 patients with dermatophytosis, 115,846 patients (88.35%) had T. rubrum infection. Disease was most prevalent among patients in their twenties in the 1970s and 1980s; in their thirties in the 1990s; in their forties in the 2000s; and in their fifties in the 2010s. The sex ratio was 1.5:1. T. rubrum infection was most commonly seen in summer and was found predominantly in patients living in urban areas. Toe webs were most frequently involved, followed by toenails and groin. This epidemiologic findings provide useful information for prevention of T. rubrum infection and future dermatophytosis prospects.

No MeSH data available.


Related in: MedlinePlus

Proportion between male and female by age.
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Figure 6: Proportion between male and female by age.

Mentions: Out of 115,846 patients, 69,976 patients (60.41%) were male and 45,870 patients (39.60%) were female. The male:female ratio was 1.5:1. Females had a higher prevalence of infection than males in the 1970s. Over time, the prevalence in males has been increasing compared to prevalence in females (Fig. 5). In the group less than 70 yr old, more than half of T. rubrum infections occurred in males. However, in the group more than 70 yr old, the prevalence of T. rubrum in females was predominant (Fig. 6).


Increasing Prevalence of Trichophyton rubrum Identified through an Analysis of 115,846 Cases over the Last 37 Years.

Lee WJ, Kim SL, Jang YH, Lee SJ, Kim do W, Bang YJ, Jun JB - J. Korean Med. Sci. (2015)

Proportion between male and female by age.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4414650&req=5

Figure 6: Proportion between male and female by age.
Mentions: Out of 115,846 patients, 69,976 patients (60.41%) were male and 45,870 patients (39.60%) were female. The male:female ratio was 1.5:1. Females had a higher prevalence of infection than males in the 1970s. Over time, the prevalence in males has been increasing compared to prevalence in females (Fig. 5). In the group less than 70 yr old, more than half of T. rubrum infections occurred in males. However, in the group more than 70 yr old, the prevalence of T. rubrum in females was predominant (Fig. 6).

Bottom Line: Disease was most prevalent among patients in their twenties in the 1970s and 1980s; in their thirties in the 1990s; in their forties in the 2000s; and in their fifties in the 2010s.The sex ratio was 1.5:1.Toe webs were most frequently involved, followed by toenails and groin.

View Article: PubMed Central - PubMed

Affiliation: Department of Dermatology, Kyungpook National University School of Medicine, Daegu, Korea.

ABSTRACT
Trichophyton rubrum is the most common dermatophyte in the world with the highest prevalence in Korea. There are few reports about epidemiological and mycological characteristics of T. rubrum based on long-term, large-scale studies. The purpose of this study was to investigate the clinical and epidemiological characteristics of T. rubrum infections in Korea. We retrospectively investigated with patients' records about the epidemiological and mycological status of 115,846 cases with T. rubrum infection that was mycologically diagnosed at Catholic Skin Disease Clinic from 1979 to 2013. Direct microscopy in 15% KOH solution and culture was done in each case. The annual incidence of patients with T. rubrum infection had been increasing during the period; and of 131,122 patients with dermatophytosis, 115,846 patients (88.35%) had T. rubrum infection. Disease was most prevalent among patients in their twenties in the 1970s and 1980s; in their thirties in the 1990s; in their forties in the 2000s; and in their fifties in the 2010s. The sex ratio was 1.5:1. T. rubrum infection was most commonly seen in summer and was found predominantly in patients living in urban areas. Toe webs were most frequently involved, followed by toenails and groin. This epidemiologic findings provide useful information for prevention of T. rubrum infection and future dermatophytosis prospects.

No MeSH data available.


Related in: MedlinePlus