Eosinophilic pneumonia epidemiology and demographics

The prevalence of idiopathic chronic eosinophilic pneumonia (ICEP) remains unknown. The incidence of chronic eosinophilic pneumonia in an Icelandic registry was 0.23 cases/100,000 population per year between 1990 and 2004. ICEP has been reported to contribute to 0 to 2500 per 100,000 of cases included in different registries of interstitial lung diseases. There is no racial predilection to ICEP. Women are more commonly affected by ICEP than men. ICEP typically affects patients in their 30s or 40s.

• The prevalence of ICEP remains unknown.

• The incidence of chronic eosinophilic pneumonia in an Icelandic registry was 0.23 cases/100,000 population per year between 1990 and 2004. In registries of interstitial lung disease in Europe, chronic eosinophilic pneumonia accounted for 0 to 2500 per 100,000 of cases of interstitial lung disease.^[1]
• ICEP has been reported to contribute to 0 to 2500 per 100,000 of cases included in different registries of interstitial lung diseases.
• One third to one half of the ICEP patients have a history of asthma and less than 10% are active smokers.
• It has recently been reported that ICEP may be primed by radiation therapy for breast cancer.
• Two-thirds of patients are smokers, but there is usually no history of asthma.

• Patients of all age groups may develop ICEP but is extremely rare in childhood. CEP typically affects patients in their 30s or 40s.^[2]
• Young adults with a mean age of approximately 30 years.

• There is no racial predilection to ICEP.^[3]

• Women are more commonly affected by ICEP than men. The women to men ratio is approximately 2 to 1.^[3]

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