Table 3.
List of complications within 90 days from index surgery; BMI, body mass index, kg/m2
| Complications | Total | Group I BMI ≤ 24.99 kg/m2 | Group II BMI 25 to < 30 kg/m2 | Group III BMI 30 to < 35 kg/m2 | Group IV BMI 35 to < 40 kg/m2 | Group V BMI ≥ 40 kg/m2 | P value |
|---|---|---|---|---|---|---|---|
| Surgical complication | 57 (6.5%) | 10 (4.1%) | 22 (5.8%) | 10 (7.1%) | 17 (14.7%) | 3 (15.8%) | 0.015 |
| Medical complication | 34 (3.9%) | 8 (3.3%) | 11 (2.69%) | 6 (3.6%) | 7 (10.3%) | 2 (10.5%) | 0.035 |
| Femoral nerve lesion | 3 (0.3%) | 1 (0.4%) | 1 (0.3%) | 1 (0.6%) | 0 (0.0%) | 0 (0.0%) | 0.845 |
| Fractures | 10 (1.1%) | 2 (0.2%) | 6 (0.7%) | 2 (1.2%) | 0 (0.0%) | 0 (0.0%) | 0.870 |
| Deep infection (PJI) | 12 (1.4%) | 1 (0.4%) | 4 (1.1%) | 1 (0.6%) | 4 (5.9%) | 2 (10.5%) | 0.001 |
| Hematoma | 7 (0.8%) | 0 (0.0%) | 5 (1.3%) | 1 (0.5%) | 1 (1.5%) | 0 (0.0%) | 0.318 |
| Dislocations | 9 (1.0%) | 6 (2.5%) | 2 (0.5%) | 0 (0.0%) | 1 (1.5%) | 0 (0.0%) | 0.088 |
| Wound dehiscence | 17 (1.9%) | 0 (0.0%) | 5 (1.3%) | 7 (4.1%) | 4 (5.9%) | 1 (5.3%) | 0.001 |
| Reoperation | 4 (0.5%) | 0 (0.0%) | 2 (0.5%) | 0 (0.0%) | 2 (2.9%) | 0 (0.0%) | 0.071 |
| Revision | 17 (1.9%) | 2 (0.8%) | 6 (1.6%) | 3 (1.8%) | 4 (5.9%) | 2 (10.5%) | 0.013 |
| Readmission | 22 (2.5%) | 7 (2.9%) | 7 (1.8%) | 3 (1.8%) | 4 (5.9%) | 1 (5.3%) | 0.201 |
| Adverse events | 49 (5.6%) | 7 (2.9%) | 19 (5.0%) | 11 (6.5%) | 9 (13.2%) | 3 (6.1%) | 0.005 |
| Serious adverse events | 42 (4.8%) | 10 (4.1%) | 15 (3.9%) | 8 (19.0%) | 7 (16.7%) | 2 (10.5%) | 0.133 |
Bold values signal statistically significant values in testing