Table 2.
Complication Rate Comparison of Patients Diagnosed With COVID-19 Within 3 mo of TJA and Controls Not Diagnosed With COVID, Unmatched and Matched Data.
| Matched |
Unmatched |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| TJA, COVID+, n (%) | TJA, No COVID, n (%) | P-Value | TJA, COVID+, n (%) | TJA, No COVID, n (%) | P-Value | |||||
| Total patients | 239 | 713 | Reference | 312 | 5368 | Reference | ||||
| Superficial surgical site infection | 3 | 1.3% | 6 | 0.8% | .853 | 4 | 1.3% | 76 | 1.4% | 1.000 |
| Prosthetic joint infection | 3 | 1.3% | 2 | 0.3% | .198 | 5 | 1.6% | 21 | 0.4% | .008a |
| Deep vein thrombosis | 14 | 5.9% | 9 | 1.3% | <.001a | 14 | 4.5% | 144 | 2.7% | .088 |
| Pulmonary embolism | 14 | 5.9% | 7 | 1.0% | <.001a | 16 | 5.1% | 55 | 1.0% | <.001a |
| Acute kidney injury | 54 | 22.6% | 49 | 6.9% | <.001a | 72 | 23.1% | 271 | 5.0% | <.001a |
| Cardiac arrest | 7 | 2.9% | 2 | 0.3% | .001a | 9 | 2.9% | 3 | 0.1% | <.001a |
| Wound disruption | 8 | 3.3% | 13 | 1.8% | .257 | 12 | 3.8% | 114 | 2.1% | .070 |
| Postoperative hematoma | 0 | 0.0% | 0 | 0.0% | 1.000 | 0 | 0.0% | 37 | 0.7% | .267 |
| Nerve injury | 0 | 0.0% | 0 | 0.0% | 1.000 | 0 | 0.0% | 0 | 0.0% | 1.000 |
| Pneumonia | 132 | 55.2% | 34 | 4.8% | <.001a | 168 | 53.8% | 158 | 2.9% | <.001a |
| Transfusion | 17 | 7.1% | 16 | 2.2% | <.001a | 24 | 7.7% | 242 | 4.5% | <.001a |
| Urinary tract infection | 46 | 19.2% | 77 | 10.8% | .001a | 62 | 19.9% | 450 | 8.4% | <.001a |
| All complicationsb | 115 | 48.1% | 155 | 21.7% | <.001a | 155 | 49.7% | 1096 | 20.4% | <.001a |
TJA, total joint arthroplasty.
Bold values indicate statistical significance of P < .05.
a
Indicates statistical significance of P < .05.
b
Includes rate of all complications, excluding pneumonia.