Table 5.
Total Knee Arthroplasty + Total Hip Arthroplasty
| Characteristic | Pre- COVID | Post- COVID | Relative Difference | p-Value |
|---|---|---|---|---|
| N | 17260 | 9443 | ||
| Avg Age | 64.68 | 63.78 | -1.39% | 0.9477 |
| - Std Dev | 9.67 | 9.73 | ||
| % Female | 51.9% | 50.0% | -3.71% | 0.0026 |
| Race | ||||
| % Asian | 4.65% | 3.48% | -25.11% | 0.0000 |
| % Black | 6.28% | 7.87% | 25.28% | 0.0000 |
| % White | 78.4% | 74.5% | -4.98% | 0.0000 |
| % Hispanic | 8.09% | 7.15% | -11.68% | 0.0050 |
| Avg BMI | 30.37 | 30.81 | 1.44% | 0.9567 |
| - Std Dev | 5.49 | 5.86 | ||
| % Diabetic | 11.7% | 11.7% | 0.01% | 0.9972 |
| % Smoker | 6.73% | 7.52% | 11.78% | 0.0169 |
| % Dyspnea | 1.87% | 2.17% | 16.01% | 0.0998 |
| % Dependent due to health | 0.31% | 0.14% | -56.00% | 0.0022 |
| % With severe COPD history | 1.60% | 1.64% | 2.65% | 0.7936 |
| % Ascites | 0.00% | 0.01% | - | 0.3173 |
| % CHF | 0.03% | 0.13% | 265.56% | 0.0189 |
| % Hypertension | 49.5% | 51.5% | 4.11% | 0.0015 |
| % Acute renal failure | 0.02% | 0.03% | 82.78% | 0.4913 |
| % On dialysis | 0.09% | 0.16% | 71.36% | 0.1600 |
| % Steroid use | 2.18% | 2.56% | 17.64% | 0.0510 |
| % Weight loss | 0.16% | 0.16% | -2.08% | 0.9474 |
| % Bleeding disorders | 1.04% | 1.24% | 19.47% | 0.1419 |
| ASA Classification | ||||
| % No Disturb | 3.67% | 3.52% | -4.29% | 0.5076 |
| % Mild Disturb | 64.8% | 61.6% | -4.88% | 0.0000 |
| % Severe Disturb | 31.1% | 34.2% | 10.00% | 0.0000 |
| % Life Threat | 0.43% | 0.68% | 55.97% | 0.0132 |
| Principal anesthesia technique | ||||
| % Epidural | 0.54% | 0.66% | 21.85% | 0.2393 |
| % General | 24.8% | 28.2% | 13.65% | 0.0000 |
| % MAC / IV Sedation | 10.1% | 18.0% | 78.69% | 0.0000 |
| % Regional | 0.54% | 1.62% | 197.51% | 0.0000 |
| % Spinal | 63.9% | 51.4% | -19.63% | 0.0000 |
| Avg. Total Operation Time | 81.66 | 85.56 | 4.78% | 0.9171 |
| - Std Dev | 25.69 | 27.27 |