Table 3.
Risk of Revision ACL Reconstruction, HTO, TKA, HTO or TKA, and Meniscectomy compared with normal weight group a
| Underweight | Normal Weight | Overweight | Obese | Morbidly Obese b | |
|---|---|---|---|---|---|
| Revision surgery | |||||
| P | .0273 | 1.00 | .1322 | .3739 | .8697 |
| HR | 0.54 | 0.95 | 0.95 | 0.94 | |
| 95% CI | 0.31-0.93 | 0.89-1.02 | 0.85-1.07 | 0.45-1.98 | |
| HTO | |||||
| P | .7755 | 1.00 | <.0001 | <.0001 | .1291 |
| HR | 0.82 | 1.72 | 2.58 | 2.95 | |
| 95% CI | 0.20-3.29 | 1.44-2.04 | 2.00-3.31 | 0.73-11.90 | |
| TKA | |||||
| P | .9695 | 1.00 | <.0001 | <.0001 | |
| HR | 1.023 | 2.467 | 1.933 | ||
| 95% CI | 0.33-3.20 | 2.1-2.97 | 1.44-2.60 | ||
| HTO or TKA | |||||
| P | .5158 | 1.00 | <.0001 | <.0001 | .3743 |
| HR | 1.34 | 1.93 | 2.71 | 1.88 | |
| 95% CI | 0.55-3.24 | 1.70-2.19 | 2.23-3.30 | 0.47-7.56 | |
| Meniscectomy | |||||
| P | .1058 | 1.00 | .002 | .0351 | .336 |
| HR | 0.73 | 1.09 | 1.1 | 1.31 | |
| 95% CI | 0.49-1.07 | 1.03-1.15 | 1.01-1.21 | 0.76-2.26 |
a
ACL, anterior cruciate ligament; HR, hazard ratio; HTO, high tibial osteotomy; TKA, total knee arthroplasty.
b
Morbidly obese group on the TKA row are blank due to lack of patients.