Risk factors

Reccurence

p

Ajusted OR

IC95%

Yes

No

Age

<40 yrs

8

14

0.97

≥40 yrs

14

24

Sex

Male

12

19

0.73

Female

10

19

Regurgitation

Yes

12

22

0.80

No

16

10

Odynophagia

Yes

12

22

0.0036

19.19

1.39 - 262.8

No

16

10

1

“pop” opening

Yes

8

25

0.0027

1.4

0.42 - 56.3

No

14

13

1

Narrow EGJ

Yes

14

20

0.27

No

6

5

Dilation number of session

1

7

28

0.001

14.2

1.54 - 103.6

14

8

1