. Author manuscript; available in PMC: 2015 Oct 1.

Published in final edited form as: Kidney Int. 2014 Oct 29;87(4):839–845. doi: 10.1038/ki.2014.352

Table 1. Types of bariatric operations 2000-2011.

	Malabsorptive procedure	RYGB	Restrictive	Other
Total Number	105	591	56	7
Number by year
2000-3	43	127	0	0
2004-7	36	273	15	1
2008-11	26	191	41	6
Years of follow-up (mean (SD))	6.2 (3.7)	6.2 (3.1)	3.9 (1.6)	3.1 (2.6)
Age at surgery (mean (SD))	44.1 (11.0)	44.9 (11.2)	42.7 (12.0)	52.3 (9.3)
Sex (% Female)	70.5%	82.9%	78.6%	57.1%
BMI kg/m² (mean (SD))	56.3 (8.4)	45.3 (6.5)	43.6 (7.6)	45.4 (10.0)

Abbreviations: Abbreviations: BMI: body mass index; RYGB Roux-en-Y gastric bypass; SD: standard deviation