Table 1.
Demographic and clinical features divided by complications.
| Demographic and clinical features | All patients N = 184 | All complications N = 12 | No complications N = 172 | Sig | Major complications N = 6 | No Major complications N = 178 | Sig |
|---|---|---|---|---|---|---|---|
| Age | 15.0 ± 2.4 | 14.8 ± 2.7 | 15.1 ± 2.4 | p = 0.77a | 15.5 ± 3.6 | 15.0 ± 2.3 | p = 0.64a |
| Female Sex | 143 (77%) | 11 (7.7%) | 132 ± (92.3%) | p = 0.31c | 5 (3.5%) | 138 (96.5%) | p = 0.74c |
| EBL (ml) | 167.2 ± 105.0 | 193.8 ± 94.2 | 165.4 ± 105.8 | p = 0.20b | 200.0 ± 83.7 | 166.1 ± 105.7 | p = 0.22b |
| %EBV | 4.4% ± 2.9% | 5.6% ± 2.4% | 4.3% ± 2.9% | p = 0.04b | 5.3% ± 2.2% | 4.4% ± 2.9% | p = 0.20b |
| Pre-Op Cobb | 54.4 ± 10.5 | 51.8 ± 10.3 | 54.5 ± 10.6 | p = 0.48b | 51 ± 12.7 | 54.4 ± 10.5 | p = 0.50b |
| Operative time | 186.5 ± 60.3 | 190.9 ± 67.3 | 186.2 ± 60.0 | p = 0.82b | 179 ± 56.4 | 186.7 ± 60.6 | p = 0.82b |
| Levels tethered | 8.1 ± 2.0 | 8.2 ± 2.2 | 8.1 ± 2.0 | p = 0.99b | 7.8 ± 2.2 | 8.1 ± 2.0 | p = 0.80b |
| Single-corded tether | 121 (65.8%) | 9 (7.4%) | 112 (92.6%) | p = 0.75d | 3 (2.5%) | 118 (97.5%) | p = 0.41d |
| Two tethered curves | 68 (37.0%) | 9 (13.2%) | 59 (86.8%) | p = 0.01d | 4 (5.9%) | 64 (94.1%) | p = 0.20d |
| Thoracic only | 71 (38.6%) | 1 (1.4%) | 70 (98.6%) | p = 0.03d | 1 (1.4%) | 70 (98.6%) | p = 0.41d |
| Thoracolumbar only | 45 (24.5%) | 2 (4.4%) | 43 (95.6%) | p = 0.73d | 1 (2.2%) | 44 (97.8%) | p > 0.99d |
| Rib resection | 22 (12.0%) | 4 (18.2%) | 18 (81.8%) | p = 0.04d | 3 (13.6%) | 19 (86.4%) | p = 0.02d |
| No Rib resection | 162 (88%) | 8 (4.9%) | 154 (95.1%) | p = 0.04d | 3 (1.9%) | 159 (98.1%) | p = 0.02d |
Significant values are in [bold].
a = Student’s T-test.
b = Mann–Whitney.
c = Chi Square.
d = Fisher's Exact.
e = Kruskal-Wallace.