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Table 2 Intraoperative data

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 %    
Previous Spine operations -Total 27 29.3 8 34.7 15 30.6 4 20.0 0.73 0.29 0.38
Nucelotomies 8 8.6 2 8.7 4 8.2 2 10.0 0.94 0.89 0.81
Spinal canal decompressions 19 20.6 6 26 11 22.4 2 10.0 0.74 0.18 0.24
Fused segments 5.2 ± 2.2 4.8 ± 1.9 5.6 ± 2.5 4.7 ± 1.6 0.16 0.89 0.14
Dorsoventral approach 35 38 8 34.7 23 46.9 4 20.0 0.34 0.29 < 0.05
Pedicle Screw augmentation 16 17.3 6 26 6 12.2 4 20.0 0.15 0.65 0.41
Vertebroplasty 17 18.4 6 26 7 14.3 4 20.0 0.23 0.65 0.56
ALIF 39 42.3 7 30.4 27 55.1 5 25.0 0.18 0.70 0.13
TLIF 54 58.6 17 73.9 26 53 11 55.0 0.11 0.25 0.89
Operation time (min) 341.1 ± 87.6 347.1 ± 102.7 361.1 ± 77.9 296.9 ± 78.9 0.57 0.10 < 0.01
Intraoperative blood loss (ml) 1567.3 ± 1098.4 1884.0 ± 1444.4 1602.7 ± 1065.3 1178.0 ± 580.3 0.39 0.05 0.10
CATS blood (ml) 344.9 ± 355.6 577.4 ± 522.7 353.5 ± 326.7 313.2 ± 235.8 0.97 0.72 0.62
Perioperative
 RBC 3.3 ± 5.5 5.6 ± 7.2 3.2 ± 5.3 0.9 ± 1.1 0.12 < 0.05 0.06
 FFP 2.5 ± 4.7 4.4 ± 6.6 2.2 ± 4.2 1.1 ± 1.5 0.10 < 0.05 0.24
  1. Abbreviations: ALIF and TLIF anterior and transforaminal lumbar interbody fusion, RBC red blood cell packs, FFP fresh frozen plasma units, CATS-blood continuous autotransfusion system blood. 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)