Table 1.

Oncometabolic surgery on type 2 diabetes

Ref.	Surgery	Sample size	CR + PR	CR	PR	Follow-up (mo)
Lee et al[14], 2012	RYTG, BI, BII, RYGJ	229	56.8%	19.7%	37.1%	NA
An et al[13], 2013	RYTG, BI, BII	64	57.8%	3.1%	54.7%	12
Wang et al[19], 2020	RYTG, BI, BII, RYGJ	69	43.5%	13.0%	30.5%	NA
Wei et al[23], 2014	RYTG, BII	67	59.7%	26.9%	32.8%	57.4
Kim et al[17], 2012	RYTG, BI, BII	385	45.5%	15.1%	30.4%	33.7
Zhu et al[24], 2015	RYTG, BI, BII	292	65.4%	55.5%	9.9%	24
Choi et al[22], 2017	RYTG, BI	40	42.5%	2.5%	40.0%	12
Kim et al[25], 2020	LLBR, BII	226	52.2%	4.9%	47.3%	12
Park et al[20], 2020	RYTG, BI, BII, RYGJ	52	63.5%	NA	NA	12

CR: Complete remission; PR: Partial remission; RYTG: Roux-en-Y total gastrectomy; BI: Billroth I reconstruction; BII: Billroth II reconstruction; RYGJ: Subtotal gastrectomy with Roux-en-Y gastrojejunostomy reconstruction; LLBR: Long-limb bypass reconstruction; NA: Not available.