Table 9. Non-spinal decompression cohort complications over time.
| Complication | 2003 (N=181) | 2006 (N=216) | 2009 (N=234) | 2012 (N=310) | P value |
|---|---|---|---|---|---|
| Mortality rate, n (%) | 0 | 0 | 0 | 0 | − |
| Dysphagia, n (%) | 2 (1.1) | 4 (1.9) | 2 (0.9) | 0 | 0.147 |
| Nervous system, n (%) | 2 (1.1) | 3 (1.4) | 2 (0.9) | 7 (2.3) | 0.555 |
| Cardiac, n (%) | 1 (0.6) | 0 | 2 (0.9) | 0 | 0.251 |
| PVD, n (%) | 0 | 0 | 0 | 0 | − |
| Respiratory, n (%) | 2 (1.1) | 0 | 2 (0.9) | 2 (0.6) | 0.536 |
| Digestive, n (%) | 2 (1.1) | 5 (2.3) | 4 (1.7) | 0 | 0.081 |
| Urinary, n (%) | 0 | 2 (0.9) | 2 (0.9) | 1 (0.3) | 0.509 |
| Device-related, n (%) | 0 | 0 | 0 | 0 | − |
| Shock, n (%), n (%) | 0 | 0 | 0 | 0 | − |
| Hematoma, n (%) | 0 | 0 | 0 | 0 | − |
| Puncture, n (%) | 0 | 1 (0.5) | 0 | 1 (0.3) | 0.638 |
| Infection, n (%) | 1 (0.6) | 0 | 0 | 0 | 0.241 |
| Anemia, n (%) | 0 | 0 | 1 (0.4) | 1 (0.3) | 0.679 |
| ARDS, n (%), n (%) | 0 | 2 (0.9) | 5 (2.1) | 0 | 0.019* |
| Wound, n (%) | 0 | 0 | 0 | 0 | − |
| Dural tear, n (%) | 0 | 0 | 1 (0.4) | 2 (0.6) | 0.496 |
| PE, n (%) | 0 | 0 | 0 | 0 | − |
| DVT, n (%) | 0 | 1 (0.5) | 0 | 0 | 0.340 |
| Any complication, n (%) | 10 (5.6) | 15 (6.9) | 18 (7.7) | 12 (3.9) | 0.246 |
*, significance of P<0.05. PVD, peripheral vascular disease; ARDS, acute respiratory distress syndrome; PE, pulmonary embolism; DVT, deep vein thrombosis.