Table 2.
Unadjusted 30-day Outcomes of Posterior Cervical Fusions Performed in 2019 vs. 2020.
| 2019 N (%) | 2020 N (%) | p-value | |
|---|---|---|---|
| N=1,699 | N=1,745 | ||
| 30-day outcomes | |||
| Readmission | 122 (7.2%) | 124 (7.1%) | 0.932 |
| Reoperation | 70 (4.1%) | 63 (3.6%) | 0.438 |
| Morbidity | 167 (9.8%) | 179 (10.3%) | 0.676 |
| Complications | |||
| Superficial SSI | 28 (1.6%) | 23 (1.3%) | 0.423 |
| Deep SSI | 7 (0.4%) | 12 (0.7%) | 0.275 |
| Organ/space SSI | 13 (0.8%) | 11 (0.6%) | 0.635 |
| Wound disruption | 12 (0.7%) | 14 (0.8%) | 0.745 |
| Pneumonia | 13 (0.8%) | 17 (1.0%) | 0.509 |
| Unplanned intubation | 11 (0.6%) | 7 (0.4%) | 0.316 |
| Pulmonary embolism | 13 (0.8%) | 14 (0.8%) | 0.902 |
| Ventilator >48 hours | 4 (0.2%) | 4 (0.2%) | 1.000 |
| Renal insufficiency | 4 (0.2%) | 1 (0.1%) | 0.212 |
| Acute renal failure | 2 (0.1%) | 1 (0.1%) | 0.620 |
| Urinary tract infection | 24 (1.4%) | 28 (1.6%) | 0.644 |
| Stroke | 3 (0.2%) | 4 (0.2%) | 1.000 |
| Cardiac arrest requiring CPR | 3 (0.2%) | 4 (0.2%) | 1.000 |
| Myocardial infarction | 8 (0.5%) | 10 (0.6%) | 0.678 |
| Transfusion | 49 (2.9%) | 53 (3.0%) | 0.791 |
| Deep venous thrombosis | 18 (1.1%) | 11 (0.6%) | 0.168 |
| Sepsis | 19 (1.1%) | 10 (0.6%) | 0.080 |
| Perioperative outcomes | |||
| Operative time (min; median, IQR) | 155 (117-208) | 159 (118-207) | 0.723 |
| RVUs-per-minute (median, IQR) | 0.36 (0.24-0.49) | 0.36 (0.26-0.49) | 0.558 |
| RVUs-per-case (median, IQR) | 57.8 (48.8-65.3) | 57.8 (51.3-65.1) | 0.127 |
| Length of stay (days; mean±SD) | 4.0 (3.2) | 4.2 (3.5) | 0.015 |
Bold values indicate statistical significance (p<0.05). SSI, surgical site infection; CPR, cardiopulmonary resuscitation; IQR, interquartile range