Table 2.

Average change from baseline at 6 months and 12 months post-surgery

	RYGB (n=7)	SG (n=11)	p-value
CD4+ Count (cells/mm3), mean
Pre-surgery	817.1	659.6	0.30
Post-surgery #1a	−72.9	+36.0	0.75
Post-surgery #2b	+259.4	−72.8	<0.001
Body mass index (kg/m2), mean
Pre-surgery	46.9	42.2	0.045
Post-surgery #1	−11.8	−8.1	0.65
Post-surgery #2	−11.4	−9.1	0.44
Hemoglobin A1c (%), mean
Pre-surgery	7.1	6.2	0.17
Post-surgery #1	−0.5	−0.3	0.43
Post-surgery #2	−1.2	−0.7	0.50
Plasma glucose (mg/dL), mean
Pre-surgery	159.6	116.7	0.20
Post-surgery #1	−20.1	−17.3	0.15
Post-surgery #2	−30.8	−9.7	0.35
LDL (mg/dL), mean
Pre-surgery	97.5	107.4	0.65
Post-surgery #1	+7.7	+0.6	0.88
Post-surgery #2	+4.7	−10.1	0.83
Total cholesterol (mg/dL), mean
Pre-surgery	175.2	182.2	0.70
Post-surgery #1	+3.1	−4.3	0.98
Post-surgery #2	+4.0	−12.1	0.71
HDL (mg/dL), mean
Pre-surgery	49	43	0.43
Post-surgery #1	−7.7	+3.7	0.37
Post-surgery #2	+0.2	+7.9	0.81
Triglycerides (mg/dL), mean
Pre-surgery	142.3	159.3	0.62
Post-surgery #1	+17.7	−42.4	0.34
Post-surgery #2	−3.5	−50.6	0.36

SD standard deviation

^aPost-surgery #1 = 6 months (± 3 months)

^bPost-surgery #2 = 12 months (± 3 months)