Table 5.
Risk factors for positive intraoperative methylene blue testing and postoperative anastomotic leaks analyzed by multivariate analysis
| Variable | B | Standard deviation | Wald | Exp(B) |
Odds ratio (95%CI)
|
P
value
|
|
|
Lower limit
|
Upper limit
|
||||||
| IMBT | |||||||
| BMI ≥ 25 kg/m2 | 2.123 | 0.810 | 6.862 | 8.357 | 1.707 | 40.922 | 0.009 |
| Neoadjuvant chemotherapy | 1.326 | 0.805 | 2.715 | 3.767 | 0.778 | 18.245 | 0.099 |
| Operation time ≥ 4 h | 4.023 | 1.319 | 9.303 | 55.881 | 4.212 | 741.381 | 0.002 |
| Inexperienced surgeons | 2.727 | 1.052 | 6.719 | 15.286 | 1.944 | 120.167 | 0.010 |
| PAL | |||||||
| BMI > 25 kg/m2 | 1.289 | 0.858 | 2.259 | 3.630 | 0.676 | 19.498 | 0.133 |
| Preoperative complications | 2.575 | 1.081 | 5.671 | 13.128 | 1.577 | 109.268 | 0.017 |
| Neoadjuvant chemotherapy | 1.967 | 0.740 | 7.063 | 7.150 | 1.676 | 30.506 | 0.008 |
| TLTG | 2.206 | 1.091 | 4.083 | 9.075 | 1.069 | 77.070 | 0.043 |
IMBT: Intraoperative methylene blue testing; PAL: Postoperative anastomotic leak; BMI: Body mass index; TLTG: Totally laparoscopic total gastrectomy.