Table 1.
Method 1 results.
| Time after operation | 0 months | 3 months | 6 months | 9 months | 12 months |
|---|---|---|---|---|---|
| Number of patients | 1551 | 534 | 344 | 248 | 224 |
| % patients on given month | 100% | 34.4% | 22.2% | 16.0% | 14.4% |
| Tallest versus shortest quartile | 100% versus 100% |
79.7% versus 81.0%* |
70.7% versus 71.7% |
64.4% versus 67.5%* |
61.0% versus 62.6%* |
| Youngest versus oldest quartile | 100% versus 100% |
79.4% versus 81.0%* |
69.1% versus 72.2%* |
63.9% versus 66.4%* |
58.0% versus 64.3%* |
| Number of males/females | 219/1332 | 76/458 | 57/287 | 35/213 | 33/191 |
| Males versus females % IW | 100% versus 100% |
79.6% versus 80.5% |
70.5% versus 71.3% |
64.0% versus 65.7% |
60.4% versus 62.2% |
| Number of White/Hisp./Black | 940/200/137 | 299/82/30 | 185/36/22 | 126/25/15 | 117/20/14 |
| W versus H versus B | 100% (all) | 82 versus 81 versus 81% |
72 versus 72 versus 75%* |
67 versus 66 versus 71% |
64 versus 61 versus 64% |
| Number of LAPGB/OGB | 314/1237 | 135/399 | 120/224 | 78/170 | 90/134 |
| LAPGB versus OGB | 100% versus 100% |
78.4% versus 81.1%* |
68.6% versus 72.6%* |
62.0% versus 67.0%* |
59.0% versus 63.9%* |
| Percent IW postoperation | 100% | 80.4% | 71.2% | 65.5% | 61.9% |
| Standard deviation % IW | 0% | 3.9% | 5.8% | 6.6% | 7.5% |
*statistically significant at a 95% confidence level
W: Whites; H: Hispanics; B: Blacks
LAPGB: laparoscopic gastric bypass
OGB: open gastric bypass
IW: initial weight.