Review of Metabolic Surgery for Type 2 Diabetes in Patients with a BMI < 35 kg/m²

Table 1

Baseline characteristics of T2DM patients with BMI < 35 kg/m².

	Author	Year	Procedure	𝑁	Female/male	Mean age (range)	Mean followup (range)	Mean duration of diabetes	Insulin user
1	Lee	2011	MGB, RYGB	62	38/24	43.1	24 months	5.4 years	23% (𝑛=14)
2	Boza	2011	RYGB	30	17/13	48.0 (28–65)	24 months (𝑛=20)	4 years	3.3% (𝑛=1)
3	de Sa	2011	RYGB	27	—	50.3	20 (4–86) months	8.8 years	22% (𝑛=6)
4	Huang	2011	RYGB	22	20/2	47.4 (28–63)	12 months	6.6 years	18.2% (𝑛=4)
5	Scopinaro	2011	BPD	30	11/19	56.4 (43–69)	12 months	11.2 years	40% (𝑛=12)
6	Shah	2010	RYGB	15	7/8	45.6	9 months	8.7 years	80% (𝑛=12)
7	Lee	2010	SG	20	14/6	46.3	12 months	>6 months	20% (𝑛=4)
8	DePaula	2009	II-SG, II-DSG	58 (30,28)	18/40	51.4 (40–66)	19.2 (14–28) months	9.6 years	37.9% (𝑛=22)
9	DePaula	2009	II-DSG	69	22/47	51.4 (41–63)	21.7 (7–42) months	11 years	44% (𝑛=30)
10	Ramos	2009	DJB	20	9/11	43.0 (29–60)	6 months	5.3 years	0% (𝑛=0)
11	Ferzli	2009	DJB	7	—	43.3 (33–52)	12 months	10.7 years	85.7% (𝑛=6)
12	Geloneze	2009	DJB	12	3/9	50.0	6 months	9 years	100% (𝑛=12)
13	Chiellini	2009	BPD	5	2/3	48.0	18 months	3–15 years	—
14	Lee	2008	MGB	44	38/6	39.0	1–5 years	—	—
15	Scopinaro	2007	BPD	7	2/5	49.0 (39–60)	13 (10–18) years	4.1 years	0% (𝑛=0)
16	Cohen	2007	DJB	2	0/2	47.0 (43–51)	9 months	4.5 years	100% (𝑛=2)
17	Cohen	2006	RYGB	37	30/7	34.0 (28–45)	20 (6–48) months	—	0% (𝑛=0)
18	Noya	1998	BPD-SPP	10	5/5	52.1 (40–62)	7 (2–18) months	—	40% (𝑛=4)
	Total	—	—	477	236/207	—	—	—	30.1% (129/428)
	Weighted mean	—	—	—	—	47	22 months	8.2 years	—

RYGB: Roux-en-Y gastric bypass, MGB: mini-gastric bypass, BPD: biliopancreatic diversion, SG: sleeve gastrectomy, II-SG: ileal interposition with sleeve gastrectomy, II-DSG: ileal interposition with diverted sleeve gastrectomy, DJB: duodenal jejunal bypass, BPD-SPP: stomach- and pylorus-preserving BPD.