Mastitis epidemiology and demographics
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Prince Tano Djan, BSc, MBChB [2]
Overview
Worldwide, the prevalence of mastitis ranges from a low of 1000 per 100,000 persons to a high of 10000 per 100,000 persons with an average prevalence of 4700 per 100,000 persons.[1] Worldwide, the incidence of Puerperal mastitis ranges from a low of 2900 per 100,000 persons to a high of 9500 per 100,000 persons with an average incidence of 6200 per 100,000 delieveries within the first seven weeks after delivery.[2] [3] [4]. Out of this, the incidence of those with mastitis needing hospitalization is 93 per 100,000 persons.[5]. The percentage of those with mastitis who develop breast abscess varies from 3% to 11%.[6] Mastitis commonly affects breastfeeding mothers. However, there is no difference between mastitis and breast abscess groups regarding age.[7] Women are more commonly affected with mastitis than men. There is no racial predilection to mastitis. Georgraphically the incidence of mastitis is higher in developing countries. [8]
Epidemiology and Demographics
Prevalence
Worldwide, the prevalence of mastitis ranges from a low of 1000 per 100,000 persons to a high of 10000 per 100,000 persons with an average prevalence of 4700 per 100,000 persons.[1]
Incidence
Worldwide, the incidence of Puerperal mastitis ranges from a low of 2900 per 100,000 persons to a high of 9500 per 100,000 persons with an average incidence of 6200 per 100,000 delieveries within the first seven weeks after delivery.[2] [3] [4]. Out of this, the incidence of those with mastitis needing hospitalization is 93 per 100,000 persons.[5]. The percentage of those with mastitis who develop breast abscess varies from 3% to 11%.[6]
Age
Mastitis commonly affects breastfeeding mothers between the ages of 21 to 35 with the highest between 30 to 34 years even when parity and full-time employment were controlled.[8]
However, there is no difference between mastitis and breast abscess groups regarding age.[7]
Gender
Women are more commonly affected with mastitis than men.
Race
There is no racial predilection to mastitis.
Developed/Developing countries
Georgraphically the incidence of mastitis is higher in developing countries. [8]
References
- ↑ 1.0 1.1 Axelsson D, Blomberg M (2014). "Prevalence of postpartum infections: a population-based observational study". Acta Obstet Gynecol Scand. 93 (10): 1065–8. doi:10.1111/aogs.12455. PMID 25132521.
- ↑ 2.0 2.1 Committee on Health Care for Underserved Women, American College of Obstetricians and Gynecologists (2007). "ACOG Committee Opinion No. 361: Breastfeeding: maternal and infant aspects". Obstet Gynecol. 109 (2 Pt 1): 479–80. PMID 17267864.
- ↑ 3.0 3.1 Kaufmann R, Foxman B (1991). "Mastitis among lactating women: occurrence and risk factors". Soc Sci Med. 33 (6): 701–5. PMID 1957190.
- ↑ 4.0 4.1 Foxman B, D'Arcy H, Gillespie B, Bobo JK, Schwartz K (2002). "Lactation mastitis: occurrence and medical management among 946 breastfeeding women in the United States". Am J Epidemiol. 155 (2): 103–14. PMID 11790672.
- ↑ 5.0 5.1 Stafford I, Hernandez J, Laibl V, Sheffield J, Roberts S, Wendel G (2008). "Community-acquired methicillin-resistant Staphylococcus aureus among patients with puerperal mastitis requiring hospitalization". Obstet Gynecol. 112 (3): 533–7. doi:10.1097/AOG.0b013e31818187b0. PMID 18757649.
- ↑ 6.0 6.1 Amir LH, Forster D, McLachlan H, Lumley J (2004). "Incidence of breast abscess in lactating women: report from an Australian cohort". BJOG. 111 (12): 1378–81. PMID 15663122.
- ↑ 7.0 7.1 Dener C, Inan A (2003). "Breast abscesses in lactating women". World J Surg. 27 (2): 130–3. doi:10.1007/s00268-002-6563-6. PMID 12616423.
- ↑ 8.0 8.1 8.2 Department of Child and Adolescent Health and Development. Mastitis: causes and management. Geneva, Switzerland: World Health Organization; 2000. http://whqlibdoc.who.int/hq/2000/WHO_FCH_CAH_00.13.pdf.