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Table 2 Intraoperative and postoperative data in patients with or without complications

From: Risk factors of postoperative pulmonary complications after primary posterior fusion and hemivertebra resection in congenital scoliosis patients younger than 10 years old: a retrospective study

  Total (n = 174) Pulmonary complications p
Yes (n = 18) No (n = 156)
No of levels fused 4 [2, 5] 5 [3.75, 6.25] 4 [2, 5] 0.015
No of hemivertebra resected 0.240
 One 153 (87.9%) 14 (77.8%) 139 (89.1%)  
 Two 21 (12.1%) 4 (22.2%) 17 (10.9%)  
Cervical screw 4 (2.3%) 3 (16.7%) 1 (0.6%) 0.004
Upper thoracic screw 16 (9.2%) 5 (27.8%) 11 (7.1%) 0.014
Middle thoracic screw 40 (23.0%) 8 (44.4%) 32 (20.5%) 0.035
Lower thoracic screw 88 (50.6%) 9 (50%) 79 (50.6%) 1.000
Lumbar screw 129 (74.1%) 10 (55.6%) 119 (76.3%) 0.084
thoracoplasty 11 (6.3%) 6 (33.3%) 5 (3.2%) <0.001
Duration of anesthesia (minute) 229+45 262+65 225+41 0.001
Duration of operation (minute) 180+40 200+45 178+39 0.030
Intraoperative blood loss (ml) 268+233 423+531 250+162 0.003
Transfusion 113 (64.9%) 14 (77.8%) 99 (63.5%) <0.001
Length of stay (day) 7 [6,8] 9.5 [7,13] 7 [6,8] <0.001