TABLE I.
Differences in Orthopaedic and Trauma Operations During COVID-19 Pandemic
| COVID-19 Cohort (2020) Weekly Total | Control Cohort (2016-2019) Weekly Total | Change | P Value | |||
| Mean ± SD | Median (IQR) | Mean ± SD | Median (IQR) | |||
| Operations | ||||||
| Total (n = 32,613) | 443.6 ± 25.8 | 446 (437-455) | 795 ± 115.1 | 829.5 (795-859) | −44.2% | <0.001 |
| Elective (n = 13,440) | 92.8 ± 30.6 | 84 (74-109) | 350.1 ± 80.8 | 380.5 (344.5-393) | −73.5% | <0.001 |
| Emergency (n = 19,173) | 350.8 ± 27.1 | 342 (337-363) | 444.9 ± 47.8 | 447.5 (421-470.5) | −21.2% | <0.001 |
| Pediatric and adolescent patients (<18 years old) (n = 1,796) | 19.4 ± 4.3 | 18 (17-22) | 45 ± 9.4 | 46.5 (39-49) | −56.9% | <0.001 |
| Geriatric patients (≥65 years old) (n = 14,792) | 228.4 ± 23.5 | 223 (221-239) | 353.8 ± 45.9 | 366.5 (342.5-381.5) | −35.4% | <0.001 |
| Traumatic fractures and dislocations | ||||||
| Upper-limb fractures (n = 4,229) | 75.9 ± 15.2 | 76 (65-82) | 98.5 ± 14 | 101.5 (89.5-108.5) | −23% | <0.001 |
| Lower-limb fractures (n = 9,098) | 168.4 ± 16.9 | 172 (164-179) | 210.6 ± 29.5 | 205 (190-221.5) | −20% | <0.001 |
| Hip fractures (n = 6,192) | 113.3 ± 17.2 | 113 (109-120) | 143.7 ± 21.9 | 136.5 (128-156.5) | −21.2% | <0.001 |
| Pelvic fractures (n = 306) | 7.2 ± 3.6 | 8 (4-10) | 6.7 ± 3.3 | 6 (4-9) | 7.5% | 0.665 |
| Joint dislocations (n = 677) | 11.4 ± 3.3 | 11 (9-14) | 15.9 ± 4.7 | 16 (13-19.5) | −28.3% | 0.009 |
| Spinal fractures (n = 231) | 3.3 ± 2.1 | 2 (2-4) | 5.6 ± 2.7 | 5 (4-7.5) | −41.1% | 0.02 |
| Spinal pathologies | ||||||
| Spinal cord compression (n = 35) | 2.2 ± 1.4 | 2 (1-3) | 1.3 ± 0.5 | 1 (1-1.5) | 69.2% | 0.111 |
| Spinal cord injury (n = 52) | 1 ± 0 | 1 (1-1) | 1.8 ± 1.1 | 1 (1-3) | −44.4% | 0.105 |
| Central cord syndrome (n = 35) | 1 ± 0 | 1 (1-1) | 1.5 ± 0.8 | 1 (1-2) | −33.3% | 0.464 |
| Infections | ||||||
| Necrotizing fasciitis (n = 219) | 3.6 ± 1.8 | 3 (2-5) | 5.3 ± 3.4 | 5 (2-7.5) | −32.1% | 0.247 |
| Septic arthritis (n = 456) | 9.1 ± 3.6 | 10 (6-13) | 10.4 ± 3.4 | 10 (8-13) | −12.5% | 0.442 |
| Osteomyelitis (n = 409) | 7.6 ± 3.1 | 7 (6-9) | 9.5 ± 3.4 | 9.5 (7-11) | −20.0 % | 0.146 |
| Bone and soft-tissue malignancies (n = 221) | 3.2 ± 2.1 | 3 (2-4) | 5.3 ± 2.5 | 5 (3.5-7) | −39.6% | 0.03 |
| Elective reconstructive operations | ||||||
| Total hip arthroplasty (n = 382) | 2.6 ± 2.4 | 2 (1-3) | 10 ± 3 | 10 (8-12.5) | −74.0% | <0.001 |
| Total knee arthroplasty (n = 2,132) | 11.4 ± 12.9 | 4 (2-28) | 57 ± 16.4 | 62.5 (50.5-65) | −80.0% | <0.001 |
| Anterior cruciate ligament reconstruction (n = 553) | 2.4 ± 2.2 | 1 (1-3) | 14.9 ± 4.6 | 15.5 (12.5-18) | −83.9% | <0.001 |