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Table 4 Early and late complication in each surgery group

From: Two-year outcomes of sleeve gastrectomy versus gastric bypass: first report based on Tehran obesity treatment study (TOTS)

 

SG (n = 2202)

GB (n = 1085)

P-value

Operation time, minutes

56.5 ± 16.2

72.7 ± 24.3

< 0.001

Anesthesia time, minutes

105.2 ± 22.9

121.8 ± 30.4

< 0.001

Hospital stay (range: 1–29), day

2.5 ± 2.8

2.5 ± 2.7

0.781

Early (30-day)

103 (4.6%)

128 (11.7%)

< 0.001

Death

0

1

–

Re-operation

19 (0.8%)

39 (3.5%)

< 0.001

 Bleeding

10

21

–

 Intestinal obstruction

1

5

–

 Abscess/infection

5

4

–

 Staple line leak

3

8

–

 Marginal ulcer perforation

0

1

–

Re-admission

25 (1.1%)

22 (2%)

0.043

 Infection/Fever

6

8

–

 Deep vein thrombosis

8

4

–

 Vomiting or poor intake

10

7

–

 Marginal ulcer

0

2

–

 GERD

1

1

–

Hospital stay ≥ 7 day

59 (2.6%)

66 (6%)

< 0.001

 Infection/ Fever

8

4

–

 Fluid or electrolyte depletion

4

1

–

 Bleeding requiring transfusion

28

43

–

 Pulmonary embolism

3

9

–

 Pneumonia

7

4

–

 Other

9

5

–

Late (> 30 days up to one year)

49 (2.2%)

57 (5.2%)

< 0.001

Death

2

4

0.097

 Liver failurea

0

1

–

 Myocardial infarction

0

1

–

 Cancer

2

1

–

 Other

0

1

–

Re-operation

36 (1.6%)

28 (2.5%)

0.066

 Anastomosis stricture

0

2

–

 Marginal ulcer perforation

0

1

–

 Internal Hernia

1

2

–

 Intestinal obstruction

0

1

–

 Cholecystectomy

32

10

–

 PCM needed revision surgery

0

7

–

 Other

3

5

–

Re-admission

11 (0.5%)

25 (2.3%)

< 0.001

 GERD

9

11

–

 Wound Infection

2

2

–

 PCM needed TPN

0

12

–

  1. SG sleeve gastrectomy, GB gastric bypass, GERD Gasteroesophagial reflux disease, PCM protein calorie malnutrition, TPN Total Parenteral nutrition
  2. aliver failure due to protein calorie malnutrition