Table 5

Complication rates.

ComplicationLOS
<45 h
(n = 52)
LOS
≥45 h
(n = 52)
P Valuea
Urinary retention1.9% (1)15.7% (8) 0.016
Urinary tract infection0.0% (0)0.0% (0)-
Acute respiratory failure0.0% (0)0.0% (0)-
Acute renal failure0.0% (0)0.0% (0)-
Ileus0.0% (0)0.0% (0)-
Deep vein thrombosis0.0% (0)0.0% (0)-
Transfusion0.0% (0)0.0% (0)-
Arrhythmia0.0% (0)2.0% (1)0.496
Pneumonia0.0% (0)0.0% (0)-
Pneumothorax0.0% (0)0.0% (0)-
Altered mental status0.0% (0)0.0% (0)-
Durotomy0.0% (0)0.0% (0)-
Surgical site infection0.0% (0)0.0% (0)-
Neurological disease1.9% (1)1.9% (1)-
Fever0.0% (0)15.7% (8) 0.003
Total complications3.9% (2)28.9% (15) 0.001
  • Abbreviation: LOS, length of stay (h).

  • Note: Boldface indicates statistical significance.

  • a P value calculated using Fisher’s exact test.