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Lack of evidence that obesity is a cause of pilonidal sinus disease
A Cubukçu1, S Carkman, N N Gönüllü
1Kocaeli University, Medical School, Turkey. defnecubukcu@hotmail.com
Objective:
To find out whether pilonidal sinus is more common among obese people.
Design:
Retrospective study from hospital records.
Setting:
Two university hospitals, Turkey.
Subjects:
419 patients who were operated on for pilonidal sinus disease; and 213 age and sex matched patients with benign diseases other than pilonidal sinus disease and who were not morbidly obese acted as controls.
Main Outcome Measures:
Comparison of body mass index (BMI) in the two groups.
Results:
Patients with BMI of 25-30 were classified as overweight (61/419, 15% compared with 28/213, 13%), and those with BMI of 30 or more as obese (7/419 compared with 4/213, 2% in each group). Mean (SD) BMI of patients with pilonidal sinus disease was 26.0 (3.9) compared with 25.6 (3.9) in the control group (p = 0.4).
Conclusion:
Obesity alone is not an important factor in the aetiology of pilonidal sinus disease.
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