Table 3.
90-day complications and postoperative transfusion rate in the 3 groups
| Group 1 | Group 2 | Group 3 | Group 1 vs. Group 2 |
Group 1 vs. Group 3 |
Group 2 vs. Group 3 |
|
|---|---|---|---|---|---|---|
| 90-day complications | 8/39 (21%) | 1/25 (4%) | 10/61 (16%) | P = 0.08 | P = 0.60 | P = 0.16 |
| Postoperative transfusions | 0/39 | 3/25 (12%) | 6/61 (10%) | P = 0.06 | P = 0.08 | P = 0.72 |
a
Group 1 underwent TKA prior to bariatric surgery for weight loss; Group 2 underwent TKA less than or equal to 2 years after bariatric surgery; Group 3 underwent TKA greater than 2 years after bariatric surgery