Table 4.
Factors Predictive of 1-Year Mortality after Laparoscopic Bariatric Surgery According to Type of Procedure, Parsimonious Model*
| Variable | LRYGB | LSG | ||||
|---|---|---|---|---|---|---|
| AOR | 95% CI | p-value | AOR | 95% CI | p-value | |
| Age, per 1-year increase | 1.05 | (1.04, 1.07) | <0.001 | 1.08 | (1.04, 1.13) | <0.001 |
| Male gender (ref: Female) | 1.88 | (1.48, 2.40) | <0.001 | -- | -- | -- |
| BMI, per 1-unit increase | 1.04 | (1.03, 1.05) | <0.001 | 1.05 | (1.01, 1.08) | 0.009 |
| ASA Class III | ||||||
|
Comorbidities (ref: absence of comorbidity) |
||||||
| Hypertension | 1.29 | (1.00, 1.66) | 0.050 | -- | -- | -- |
| Liver disease | -- | -- | -- | 2.88 | (0.98, 8.50) | 0.055 |
| Venous thromboembolism | 2.04 | (1.23, 3.38) | 0.006 | -- | -- | -- |
| Functional status--any impairment | 1.76 | (1.21, 2.56) | 0.003 | -- | -- | -- |
|
Complications, 30d (ref: no complication) |
||||||
| Leak | 25.4 | (17.2, 37.5) | <0.001 | 35.8 | (8.61, 157.3) | <0.001 |
| Pulmonary embolism | 34.5 | (20.9, 56.8) | <0.001 | 252 | (71.0, 895.2) | <0.001 |
| Hemorrhage | 2.34 | (1.39, 3.92) | 0.001 | 5.24 | (0.88, 31.4) | 0.070 |
*
Parsimonious model was obtained using backward selection of variables with P < 0.1 from the multivariate logistic regression model
AOR, adjusted odds ratio; ASA, American Society of Anesthesiologists; BMI, body mass index; CI, confidence interval; LRYGB, laparoscopic Roux-en-Y gastric bypass; LSG, laparoscopic sleeve gastrectomy; PE, pulmonary embolism; ref, reference