The Evaluation of a Modified Dufourmentel Flap after S-Type Excision for Pilonidal Sinus Disease

Table 1

Characteristics of patients.

	Mean ± SEM	Range
Age (years)	24.0±6.1	15–36
Sex (M/F)	19/2 (90.5%/9.5%)
The mean body mass index (kg/m^2)	25.1±2.8	19.2–29.7
Patients with recurrent PS (𝑛/%)	2/9.5%
Mean duration symptoms (months)	13.0±10.1	3–42
Pain (𝑛/%)	13/61.9%
Abscess history (𝑛/%)	3/14.3%
Chronic purulent discharge (𝑛/%)	5/23.8%