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Table 4 Complications and side effects registered during the hospital stay

From: Decompression alone versus decompression with instrumental fusion the NORDSTEN degenerative spondylolisthesis trial (NORDSTEN-DS); study protocol for a randomized controlled trial

Perioperative Postoperative
Dural tear Liquor leakage
Nerve root lesion Superficial infection
Operated on the wrong side Neurological deterioration
Operated on the wrong level Hematoma requiring reoperation
Amount of bleeding Use of blood transfusion
Cardiopulmonary complications Deep infection
Anaphylactic reaction Thromboembolic episode
Death Cardiopulmonary complication
Other Urological complication
Wrong level/side revealed postoperatively