Subject characteristics for those who completed the study (n = 31)
| There was no statistical difference in body mass pre- versus post-OP as determined by paired t test. | |
| Age, years | Median 62, range 53–77 |
| Height, cm | Median 172, range 164–190 |
| Pre-OP body mass, kg | Median 83, range 62–117 |
| Post-OP body mass, kg | Median 83, range 66–119 |