Table.
Association of BMI with 30-day postoperative events in children after urologic procedures
| BMI <85th percentile | BMI ≥85th percentile | Full cohort | p a | |
|---|---|---|---|---|
| Any complicationb | 82 (4.1%) | 58 (6.7%) | 140 (4.9%) | 0.003 |
| Urinary tract infection | 38 (1.9%) | 25 (2.9%) | 63 (2.2%) | 0.10 |
| Postoperative bleeding | 26 (1.3%) | 15 (1.7%) | 41 (1.4%) | 0.35 |
| Any wound complication | 21 (1.0%) | 23 (2.7%) | 44 (1.5%) | 0.002 |
| Superficial surgical site infection | 9 (0.5%) | 13 (1.5%) | 22 (0.8%) | 0.005 |
| Deep surgical site infection | 3 (0.2%) | 4 (0.5%) | 7 (0.2%) | 0.21c |
| Organ space infection | 2 (0.1%) | 5 (0.6%) | 7 (0.2%) | 0.02c |
| Dehiscence | 9 (0.5%) | 3 (0.4%) | 12 (0.4%) | 0.71 |
| Reoperation within 30 days | 27 (1.3%) | 17 (2.0%) | 44 (1.5%) | 0.21 |
| Readmission within 30 days | 78 (3.9%) | 46 (5.3%) | 124 (4.3%) | 0.08 |
| Any 30-day event | 150 (7.5%) | 92 (10.7%) | 242 (8.4%) | 0.004 |
| Odds of any 30-day event (unadjusted) | - | 1.49 (1.13–1.95) | - | 0.004 |
| Odds of any 30-day event (multivariable) | - | 1.36 (1.03–1.82) | - | 0.034 |
| Odds of wound complication (unadjusted) | - | 2.60 (1.34–4.73) | - | 0.002 |
| Odds of wound complication (multivariable) | - | 2.36 (1.28–4.35) | - | 0.006 |
a
Obtained using logistic regression.
b
In addition to complications shown, there were no cases of acute kidney injury, embolic events, or neurologic events.
c
Obtained using two-tailed Fisher's exact test because of small cell count.