Table 5 Comparison of outcomes (early, late complications, readmission, and reoperation) between conversional RYGB after LSG and primary RYGB cohorts after PSM

Primary

RYGB

Conversional RYGB after LSG

Sig.

N (332)

%

N (149)

%

RR [95% CI]

Early complications

MVO

4

1.2%

1

0.7%

^MCp.584

Melena

8

2.4%

1

0.7%

Bleeding

5

1.5%

2

1.3%

Leak

0

0.0%

1

0.7%

Intestinal obstruction/hernia

1

0.3%

1

0.7%

Wound infection

1

0.3%

1

0.7%

Late complications

Marginal ulcer

13

3.9%

4

2.7%

^MCp.495

Port site hernia

4

1.2%

2

1.3%

Internal hernia

0

0.0%

1

0.7%

Readmission

No

325

97.9%

139

93.3%

^FEp.011*

Yes

7

2.1%

10

6.7%

0.3142 [0.12 to 0.80]

Reoperation

No

324

97.6%

140

94.0%

^FEp.053

Yes

8

2.4%

9

6.0%

0.398 [0.157 to 1.013]