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Table 5 Postoperative complications with conservative treatment, in-hospital stay and follow-up times

From: Perioperative complications after surgical treatment in degenerative adult de novo scoliosis

  1 2 3 4 5 6 7
  Total Early complications (< 30 d) Late complications
(> 30 d)
No complications p-value (3–2) p-value (4–2) p-value (4–3)
  n = 92 % n = 23 % n = 49 % n = 20 %    
Electrolyte disturbances 9 9.8 2 0.09 7 0.14 0 0.00 0.51 0.19 0.08
UTI 8 8.7 3 0.15 5 0.13 0 0.00 0.79 0.07 0.10
Sciatic pain 22 23.9 12 0.52 10 0.20 0 0.00 < 0.05 < 0.01 < 0.05
Hypoesthesia 3 3.3 1 0.04 2 0.04 0 0.00 0.96 0.36 0.37
Intensive pain-therapy 14 15.2 5 0.22 9 0.18 0 0.00 0.74 < 0.05 < 0.05
Thrombosis 0 0.0 0 0.00 0 0.00 0 0.00
Pulmonary embolism 0 0.0 0 0.00 0 0.00 0 0.00
Stroke 0 0.0 0 0.00 0 0.00 0 0.00
Death 2 2.2 1 0.04 1 0.02 0 0.00 0.58 0.36 0.53
Hospital Stay (d) 21.9 ± 10.0 31.6 ± 12.6 20.1 ± 6.8 15.0 ± 3.2 < 0.01 < 0.01 < 0.01
Follow-up time (months) 16.4 ± 13.8 14.1 ± 10.9 17.6 ± 15.2 15.8 ± 13.8 0.32 0.67 0.63
  1. Abbreviations: UTI urinary tract infection. Duration of in-hospital stay is registered in days (d) and clinical follow-up visits are documented in months. Statistical analyses regarding p-values were performed between the three columns/groups, i.e. early complications (2), late complications (3) and no complications (4); see superscripted numbers (significance at p < 0.05 or at p < 0.01)