Table 2.
Postoperative Outcomes at Each Follow-up Visit Stratified by Diabetic Response to Gastric Bypass Surgery
| Variables | Response Mean ± SD; Median (IQR) |
Refractory Mean ± SD; Median (IQR) |
P-Value* |
|---|---|---|---|
| Overall [n (%) within each F/u period] | |||
| 1-Year F/u | 161 (56) | 128 (44) | --- |
| 3-Year F/u | 72 (58) | 53 (42) | --- |
| 5-Year F/u | 42 (60) | 28 (40) | --- |
| 10 Year F/u | 21 (44) | 27 (56) | --- |
| Weight (lbs) | |||
| 1-Year F/u | 207 ± 52; 196 (55) | 235 ± 53; 230 (74) | <0.0001 |
| 3-Year F/u | 210 ± 54; 204 (64) | 234 ± 52; 229 (74) | 0.012 |
| 5-Year F/u | 221 ± 55; 212 (80) | 236 ± 51; 232 (54) | 0.23 |
| 10-Year F/u | 242 ± 74; 229 (61) | 252 ± 59; 239 (57) | 0.34 |
| Body Mass Index | |||
| 1-Year F/u | 33 ± 7.3; 31 (8.0) | 38 ± 8.0; 37 (11) | <0.0001 |
| 3-Year F/u | 33 ± 7.8; 33 (10) | 38 ± 7.4; 36 (11) | 0.0012 |
| 5-Year F/u | 35 ± 7.9; 34 (12) | 38 ± 6.8; 38 (9.5) | 0.17 |
| 10-Year F/u | 40 ± 12; 35 (12) | 41 ± 8.6; 40 (14) | 0.43 |
| Total Weight Loss (lbs) | |||
| 1-Year F/u | 108 ± 34; 102 (39) | 102 ± 34; 99 (46) | 0.13 |
| 3-Year F/u | 121 ± 55; 109 (53) | 108 ± 49; 97 (60) | 0.22 |
| 5-Year F/u | 116 ± 49; 98 (60) | 97 ± 54; 82 (77) | 0.039 |
| 10-Year F/u | 110 ± 59; 96 (59) | 82 ± 53; 75 (42) | 0.065 |
| PTBWL | |||
| 1-Year F/u | 34 ± 7.0; 34 (7.2) | 30 ± 7.6; 30 (11) | <0.0001 |
| 3-Year F/u | 36 ± 10; 36 (14) | 31 ± 10; 31 (14) | 0.0087 |
| 5-Year F/u | 34 ± 10; 33 (12) | 28 ± 10; 26 (11) | 0.013 |
| 10-Year F/u | 31 ± 13; 29 (17) | 24 ± 13; 25 (13) | 0.070 |
| HgbA1c | |||
| 1-Year F/u | 5.7 ± 0.60; 5.7 (0.55) | 6.6 ± 1.5; 6.0 (1.8) | 0.035 |
| 3-Year F/u | 5.7 ± 0.76; 5.6 (0.45) | 6.8 ± 1.5; 6.0 (2.3) | 0.040 |
| 5-Year F/u | 5.4 ± 0.47; 5.4 (0.80) | 6.8 ± 1.6; 6.4 (2.6) | 0.13 |
| 10-Year F/u | 5.1 ± 1.4; 5.1 (2.0) | 7.3 ± 1.3; 7.2 (0.60) | 0.056 |
*
P-Values do not account for patients who were lost to follow-up between the two groups.
Student’s T-test or Wilcoxon Rank Sum was used for continuous variables depending upon the normalcy of distribution.
F/u=follow-up. HgbA1c=hemoglobin A1c. IQR=interquartile range. Lbs=pounds. LTFU=lost to follow-up. SD=standard deviation. PTBWL=percent total body weight loss.