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Table 2 Randomized controlled trials comparing different types of bariatric surgeries and medical treatments

From: Metabolic surgery versus usual care effects on diabetes remission: a systematic review and meta-analysis

Author

Country

Diabetes remission (HbA1c criteria)

Type of surgery

Patients with remission (bariatric)

Patients with remission (usual care)

Chong et al. 2017 [31]

Taiwan, USA

 < 6.5

RYGB

7/36

0/35

Courcoulas et al. 2020 [32]

USA

 < 6.5

RYGB, AGB

5/41

0/24

Ding et al. 2015 [33]

USA

 < 6.5

AGB

5/18

2/22

Foschi et al. 2019 [34]

Italy

 < 6 for complete, < 6.5 for partial

II, SG

26/30

2/25

Halperin et al. 2014 [35]

USA

 < 6.5

RYGB

11/19

3/19

Kashyap et al. 2013 [36]

USA

 < 6

RYGB, SG

8/40

1/20

Kirwan et al. 2022 [37]

USA

 < 6.5

RYGB, SG, and AGB

60/160

2/76

Liang et al. 2013 [38]

USA

 < 6.5

 

28/30

0/70

Mingrone et al. 2021 [39]

Italy

 < 6.5

RYGB, BPD

15/40

1/20

Parikh et al. 2014 [40]

USA

 < 6.5

 

13/20

0/24

Simonson et al. 2018 [41]

USA

 < 6.5

RYGB

7/19

0/19

Sjöholm et al. 2022 [42]

Sweden

 < 6.5

AGB and GB

229/393

91/393

39/308

11/308

  1. RYGB Roux-en-Y gastric bypass, AGB adjustable gastric banding, SG Sleeve gastrectomy, BPD Biliopancreatic diversion, II Ileal interposition with duodenal diversion sleeve gastrectomy