Table 1 Patient demographics

Age

49.15 (11.59)

49.64 (12.48)

0.8313

Pre-op albumin (gm/dL)

3.59 (0.63)

3.41 (0.80)

0.2121

Pre-op BMI (kg/m²)

36.78 (10.25)

34.49 (10.35)

0.243

Follow up duration

5.15 (3.65)

6.23 (5.02)

0.1925

ASA (median)

2.88 (0.59)

2.93 (0.63)

0.5633

Sex

 Female

46

52

0.8126

 Male

7

9

Procedure type*

 Laparoscopic

44

56

 < 0.05

 Robotic

8

0

 Open

1

5

Recent bariatric procedure within last 30 days*

2

3.77

17

27.87

 < 0.05

 Prior RYGB* (+Prior RYGB with band gastric pouch)

25

45.28

53

86.89

 < 0.05

 Prior SG*

10

18.87

1

1.64

 < 0.05

 Prior DS

4

7.55

7

11.48

0.4786

 Prior AGB*

9

16.98

2

3.28

 < 0.05

 Prior VBG

4

7.55

1

1.64

0.1817

 Prior revisional bariatric surgery

7

13.21

12

19.67

0.3556

Comorbidities

 Pre-op DM2

10

18.87

12

19.67

0.9136

 Pre-op HTN

18

33.96

15

24.59

0.2711

 Pre-op OSA

14

26.42

23

37.70

0.1991

 Pre-op COPD

1

1.89

2

3.28

1

 Pre-op dyslipidemia

17

32.08

17

27.87

0.6244

 Pre-op GERD

39

73.58

37

60.66

0.1441

 Pre-op CAD

6

11.32

5

8.20

0.5731

 Pre-op CHF

1

1.89

1

1.64

1

 Pre-op CKD/ESRD

5

9.43

1

1.64

0.09507

 History of Tobacco use

22

41.51

24

39.34

0.8142

 Pre-op dyslipidemia

3

5.66

1

1.64

0.3362

 Pre-op GERD

1

1.89

1

1.64

1