Table 2.
Average BMI change of referred and control groups up to 1 y of follow-up.
| Patient group | Starting BMI | △BMI (6 mo) | △BMI (1 y) |
|---|---|---|---|
| Referred | 42.0 (26.0-62.9) | −1.5a | −1.1 |
| Control | 41.2 (26.1-55.9) | −0.8 | −0.7 |
| P value | .12 | .01 | .21 |
| Operative | |||
| Referred | 39.6 (26.0-49.2) | −2.4a | −2.1a |
| Control | 38.0 (28.6-52.1) | −2.0a | −1.3 |
| P value | .02 | .52 | .14 |
| Nonoperative | |||
| Referred | 43.6 (28.3-62.9) | −0.9 | −0.5 |
| Control | 42.4 (26.1-55.9) | −0.2 | −0.5 |
| P value | .09 | .02 | .98 |
BMI change (△BMI) was reported at 6-mo intervals up to 1 y after first nutritionist visit (for referred patients) or first clinic visit (for control patients). P values denoting statistically significant difference in BMI or △BMI between referred and control groups are bolded.
a
A statistically significant change from starting BMI (P < .05).