Inguinal hernia epidemiology and demographics

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Farima Kahe M.D. [2]

Overview

The incidence of inguinal hernia is approximately 110 per 100,000 individuals in years aged 16-24 years to 2000 per 100,000 person years aged 75 years or above in men. The prevalence of inguinal hernia is approximately 1700 per 100,000 individuals for all ages and 4000 per 100,000 for those aged over 45 years worldwide. The incidence of inguinal hernia increases with age; the median age at diagnosis is 40-59 years. Male are more commonly affected by inguinal hernia than female. The male to female ratio is approximately 9 to 1.

Epidemiology and Demographics

Incidence

• The incidence of inguinal hernia is approximately 110 per 100,000 individuals in years aged 16-24 years to 2000 per 100,000 person years aged 75 years or above in men.

Prevalence

• The prevalence of inguinal hernia is approximately 1700 per 100,000 individuals for all ages and 4000 per 100,000 for those aged over 45 years worldwide.

Case-fatality rate/Mortality rate

• The 30 day mortality rate of 2000 per 100,000 in patients under 60 years old and 48000 per 100,000 individuals in those over 60 years old after elective surgery.

Age

• Patients of all age groups may develop inguinal hernia.
• The incidence of inguinal hernia increases with age; the median age at diagnosis is 40-59 years.
• Direct inguinal hernia commonly affects middle-aged and elderly individuals because the abdominal walls weakens with age.
• Indirect inguinal hernias can occur at any age including the young individuals.

Race

• Inguinal hernia affects individuals of the Caucasian more than Afriacn-American.

Gender

• Male are more commonly affected by inguinal hernia than female. The male to female ratio is approximately 9 to 1.

References

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