Table 5.
Outcomes of patients undergoing minimally invasive spine surgery compared with traditional open approach surgery.
| Open (n = 155) | MISS (n = 100) | p-value | |
|---|---|---|---|
| Length of Stay (d), mean ± SD | 12.4 ± 12.7 | 14.3 ± 14.5 | 0.27 |
| Time to Surgery (hrs), mean ± SD | 33.0 ± 50.7 | 50.4 ± 68.8 | 0.04* |
| POD to Mobilization (d), mean ± SD | 3.6 ± 4.9 | 4.0 ± 6.4 | 0.55 |
| Transfusions, n (%) | 81 (51.6) | 24 (24.0) | <0.001* |
| Complications, n (%) | 23 (14.6) | 17 (17.0) | 0.60 |
| Total Unplanned Reoperation | 9 (5.7) | 9 (9.0) | 0.32 |
| Incision and Drainage | 7 (4.5) | 5 (5.0) | 1.00 |
| Revision of Instrumentation | 2 (1.3) | 4 (4.0) | 0.21 |
| Elective Instrumentation Removal, n (%) | 2 (1.3) | 10 (10.0) | 0.002* |
| Hospital Acquired Pneumonia | 10 (6.4) | 6 (6.0) | 1.00 |
| Mortality | 5 (2.0) | 2 (2.0) | 1.00 |
| Neurologic Status Decline | 0 (0) | 0 (0) | 1.00 |
MISS indicates minimally invasive spine surgery; d, days; POD, postoperative day; *Statistical significance was determined with a p-value less than 0.05.