Table 1 Demographic characteristics for analyzed patients

Age (years)

47.7 ± 9.7

Sex, female (%)

83%

Maximum BMI (kg/m2)

45.1 ± 6.8

BMI before bariatric surgery (kg/m2)

43.9 ± 6.6

Lowest BMI after primary surgery (kg/m2)

33.2 ± 7.4

BMI before revisional surgery (kg/m2)

40.6 ± 6.9

BMI after revisional surgery (kg/m2)

32.4 ± 5.8

Hypertension

32%

Type 2 diabetes

13%

NSAIDs users

18%

Former Smoker

17%

Former alcohol consumption

32%

Interval time between primary and revisional time, years

5.7 ± 3.7

Follow up time (months)

23.0 ± 29.6

Type of revisional bariatric surgery

 Sleeve gastrectomy, SG

49.4%

 Roux-en Y gastric bypass, RYGB

36.6%

 One anastomosis gastric by-pass, OAGB

8.5%

 Adjustable Gastric Band removal, AGB removal

2.5%

 Subsequent Adjustable Gastric Band, AGB

2.1%