Improvement in glycemic control after bariatric surgery beyond weight loss

Table 2 Distribution of metabolic variables and arterial hypertension stage according to ACC/AHA classification before and after surgical intervention, n (%)/mean ± SD

Variable	n = 81	Pre-intervention	Post-intervention	Mean difference	95%CI	Cohen’s d	P value
Arterial hypertension stage
Stage I	44 (53.6)	26 (32.1)	-	N/A	N/A	N/A	N/A
Stage II	28 (32)	4 (4.9)	-	N/A	N/A	N/A	N/A
Weight (kg)		115 ± 16.1	89.2 ± 13.4	26.6	24.1-28.9	2.01	< 0.001
BMI (kg/m2)		40.5 ± 5.1	31.2 ± 4.2	9.3	8.6-10	1.98	< 0.001
Glycated hemoglobin		7.1 ± 1.2	5.8 ± 0.6	1.3	0.9-1.7	1.25	< 0.001
HDL cholesterol, mg/dL		45.2 ± 10.1	52.6 ± 9.4	-7.4	-9.1 to -5.7	0.76	< 0.001
LDL cholesterol, mg/dL		128.4 ± 24.5	104.2 ± 20.1	24.2	18.5-29.8	0.88	< 0.001
Triglycerides, mg/dL		172.5 ± 45.1	130.2 ± 32.4	42.3	35.1-49.5	1.08	< 0.001
Fasting plasma glucose, mg/dL		114.2 ± 28.5	92.4 ± 15.1	21.8	16.2-27.4	0.95	< 0.001

BMI: Body mass index; HDL: High-density lipoprotein; LDL: Low-density lipoprotein; N/A: Not applicable; CI: Confidence interval.