Table 3.
Comparisons of the FT score readings and changes during the follow-up period between PRYGB and RRYGB
| PRYGB n = 504 |
RRYGB n = 150 |
Adjusted mean difference | P-value | ||||
|---|---|---|---|---|---|---|---|
| M | (SE) | M | (SE) | Est | (95% CI) | ||
| FT score | |||||||
| Post-operative | |||||||
| 1st year | 21.4 | (0.09) | 22.9 | (0.14) | 1.47 | (1.3, 1.6) | (< .001) |
| 2nd year | 23.0 | (0.14) | 23.1 | (0.19) | 0.02 | (− 0.2, 0.2) | (.862) |
| 3rd year | 24.1 | (0.14) | 24.2 | (0.19) | 0.08 | (− 0.1, 0.3) | (.412) |
| 4th year | 24.1 | (0.16) | 24.2 | (0.22) | 0.04 | (− 0.2, 0.3) | (.778) |
| 5th year | 23.6 | (0.14) | 23.7 | (0.20) | 0.05 | (− 0.2, 0.2) | (.653) |
| Change in the FT score | |||||||
| 2nd year | 1.6 | (0.18) | 0.1 | (0.26) | − 1.45 | (− 1.8, − 1.1) | (< .001) |
| 3rd year | 1.1 | (0.21) | 1.1 | (0.27) | 0.02 | (− 0.3, 0.3) | (.919) |
| 4th year | 0.1 | (0.19) | 0 | (0.24) | − 0.03 | (− 0.3, 0.2) | (.822) |
| 5th year | − 0.5 | (0.23) | − 0.5 | (0.34) | 0.03 | (− 0.4, 0.5) | (.900) |
Adjusted for age and sex using multiple linear regression estimated using generalized estimation equation and weighted by inverse propensity score weights, where primary RYGB is the reference group; FT, food tolerance test; M, mean; SE, standard error; Est., estimated value; PRYGB, primary Roux-en-Y gastric bypass; RRYGB, revisional Roux-en-Y gastric bypass