Table 2 Patient and pilonidal surgery characteristics to predict recurrence-free survival

Surgery^b

 AELF

58

Reference

 PPS

55

6.65

2.75–16.10

< 0.001

Gender

 male

87

Reference

 female

26

1.14

0.53–2.44

0.74

Age (years)

 < 26

53

Reference

 ≥ 26

60

0.55

0.28–1.08

0.08

BMI (kg/m²)

 < 25

13

Reference

 ≥ 25

44

3.22

0.75–13.82

0.12

Diabetes

 No

106

Reference

 Yes

7

0.88

0.21–3.66

0.86

Smoking

 No

21

Reference

 Yes

46

0.78

0.33–1.83

0.57

Previous incision of abscess

 No

51

Reference

 Yes

61

1.05

0.53–2.07

0.89

Spillage of pus during surgery

 No

103

Reference

 Yes

10

0.61

0.15–2.53

0.49

Sinus number

 < 2

20

Reference

 ≥ 2

74

1.25

0.52–3.05

0.62