Table 2.
Mean and standard deviation values of physical and clinical characteristics among eight patients undergoing RYGB and eight patients undergoing AGB
| Roux-en Y gastric bypass |
Lap adjustable gastric band |
P valueb RYGB pre vs. AGB pre | |||||
|---|---|---|---|---|---|---|---|
| Mean±SD or N (%) | P valuea | Mean±SD or N (%) | P valuea | ||||
|
|
|
||||||
| Pre op | Post op | Pre vs. post | Pre op | Post op | Pre vs. post | ||
| Total N | 8 | – | 8 | – | |||
| N with T2DM | 7 | – | 3 | – | |||
| Age (years) | 49.7±3.1 | – | 42.2±4.5 | – | 0.23 | ||
| Sex (female) | 6 (75 %) | – | 8 (100 %) | – | 0.36 | ||
| BMI (kg/m2) | 40.3±1.7 | 39.2±1.6 | 0.64 | 40.9±2.0 | 40.3±1.9 | 0.83 | 0.82 |
| FPG (mg/dL) | 170.1±13.6 | 102.8±5.0 | <0.001 | 106.7±15.1 | 110.6±9.5 | 0.32 | 0.007 |
| FPI (mU/L) | 10.3±1.3 | 3.3±0.6 | <0.001 | 5.8±1.9 | 5.8±1.9 | 0.50 | 0.09 |
| HOMA-IR | 4.2±0.5 | 0.8±0.1 | <0.001 | 1.8±0.6 | 1.6±0.5 | 0.80 | <0.05 |
BMI body mass index, FPG fasting plasma glucose, FPI fasting plasma insulin, HOMA-IR homeostasis model of assessment for insulin resistance
a
P values represent significance level of difference between pre op and post op in each surgery group
b
P values represent significance level of difference between RYGB pre op and AGB pre op. All p values were determined by Student t test except gender, which is determined by chi-square