Table 2.
Primary outcomes
| SAEsb n (%) |
OSIsc | Operation length (min) (Median, range) |
Length of stay (days) (Median, range) |
At least one reoperation within 30 days (n, %) |
At least one readmission within 30 days (n, %) |
At least one intervention within 30 days (n, %) |
|
|---|---|---|---|---|---|---|---|
| LRYGBa (n = 431) | 28 (6.5%) | 1 (.2%) |
98 (37–606) Mean = 108.5 |
2 (0–17) Mean = 2.0 |
10 (2.3%) | 24 (5.6%) | 13 (3%) |
| LSGa (n = 1552) | 45 (2.9%) | 4 (.3%) |
66 (1–395) Mean = 73.8 |
2 (0–32) Mean = 1.7 |
17 (1.1%) | 41 (2.6%) | 18 (1.2%) |
| p valued | < .0001 | .93 | < .0001 | < .0001 | .05 | .003 | .006 |
| Total (N = 1983) | 73 (3.7%) | 5 (.3%) |
72 (1–606) Mean = 81.2 |
2 (0–32) Mean = 1.7 |
27 (1.4%) | 65 (3.3%) | 31 (1.6%) |
aLRYGB: laparoscopic Roux-en-Y gastric bypass; LSG: laparoscopic sleeve gastrectomy
bSAEs: severe adverse events, including the following: drain present at 30 days; unplanned ICU admission, intraoperative or postoperative cardiac arrest requiring CPR, intraoperative or postoperative stroke/cerebral vascular accident (CVA), coma > 24 h, deep incisional SSI, acute renal failure requiring dialysis, pulmonary embolism, intraoperative or postoperative myocardial infarction, postoperative vein thrombosis requiring therapy, pneumonia, ventilator > 48 h, septic shock, anticoagulation initiated for presumed/confirmed venous thrombosis or pulmonary embolus
cOSI: organ space infection
dBased on separate Mann-Whitney rank sums tests, chi-square, or Fisher’s exact tests as appropriate, with p < .05 denoting statistical significance and no adjustment for the multiple comparisons