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Outcomes of revisionary surgery for failed or complicated VBGs: statistical study to compare changes in BMI between 2 groups.
| Statistics | Follow-up | ||
|---|---|---|---|
| 1 yr | 2 yrs | 3 yrs | |
| Variance between the groups (S2bet) | 80.07 | 8.56 | 82.8 |
| Variance into the groups (S2into) | 20.31 | 38.05 | 26.2 |
| F | 3.94 | 0.63 | 3.16 |
| Student t-test | 1.98 | 0.47 | 1.18 |
| P | <.05 | .63 | .08 |
