Table 3 Perioperative complications of AIS surgery based on Harms Study Group Complication Categories
Complications | Overall (n = 1057) | % |
|---|---|---|
Major | ||
 In-hospital death | 0 | 0 |
 Transient neurological deficit | ||
  Spinal Cord | \( \left.\begin{array}{c}1\\ {}4\end{array}\right\}{\displaystyle \begin{array}{c}5\\ {}\end{array}} \) | \( \left.\begin{array}{l}0.09\\ {}0.38\end{array}\right\}{\displaystyle \begin{array}{c}0.47\\ {}\end{array}} \) |
  Nerve Roots | ||
 Deep infection | 2 | 0.19 |
 Superior mesenteric artery syndrome | 2 | 0.19 |
 Massive blood loss | 1 | 0.09 |
Minor | ||
 Superficial infection | 12 | 1.14 |
 Intraoperative seizure | 1 | 0.09 |
 Lung atelectasis | 1 | 0.09 |
Overall complication rate | 24 | 2.27 |