Table 3:
Mean estimation of BMI, FPG, and HbA1c before and after metabolic surgery. Combined data from 18 existing bariatric studies.
Variable (# studies)
Pre Means ± SE
95% CI
Post Means ± SE
95% CI
BMI (
𝑛
=
1
4
), kg/m
2
3
0
.
4
±
0
.
9
8
(28.4, 32.3)
2
4
.
8
±
0
.
3
3
(24.1, 25.5)
FPG (
𝑛
=
1
2
), mg/dL
2
0
3
.
5
±
8
.
2
(187.4, 219.6)
1
1
2
.
5
±
4
.
4
(103.9, 121.1)
HbA1c (
𝑛
=
1
0
), %
9
.
0
1
±
0
.
2
2
(8.6, 9.5)
6
.
3
±
0
.
1
4
(6.1, 6.6)
SE: standard error.