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Table 1 Characteristics of patients with or without postoperative pulmonary 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) Post pulmonary complications p
Yes (n=18) No (n=156)
Sex
 Male 100 (57.5%) 11 (61.1%) 89 (57.1%) 0.806
 Female 74 (42.5%) 7 (38.9%) 67 (42.9%)
Age ( years old) 3 [2,5] 4.5 [2.75,6.25] 3 [2,5] 0.342
Weight (Kilogram) 18.0+6.5 19.9+8.1 17.8+6.3 0.199
History of recent upper respiratory infection 22 (12.6%) 3 (16.7%) 19 (12.2%) 0.705
Other congenital deformities
 Congenital heart disease 18(10.3%) 2(11.1%) 16 (10.3%) 0.806
 Congenital digestive deformities 9 (5.2%) 0 9 (5.8%) 0.600
 Congenital urological deformities 6 (3.4%) 1 (5.6%) 5 (3.2%) 0.486
 Congenital neural deformities 6 (3.4%) 0 6 (3.8%) 1.000
 Other 7 (4.0%) 0 7 (4.5%) 1.000
Rib anomalies     0.595
 Fused ribs 11 (6.3%) 2 (11.1%) 9 (5.8%)  
 Defect of ribs 3 (1.7%) 0 3 (1.9%)  
 Forked ribs 2 (1.1%) 0 2 (1.3%)  
Segmental Cobb angle (°) 40+12 44+14 40+12 0.184
Total Cobb angle (°) 35+13 39+13 34+12 0.162
Kyphosis (°) 20+16 25+19 19+16 0.170
Correction of totalCobb angle (%) 76.5+19.3 74.2+19.8 76.7+19.2 0.590
Correction of segmental Cobb angle (%) 73.3+22.3 74.9+26.4 73.1+21.8 0.743
Correction of kyphosis (%) 57.2+48.8 74.9+59.7 55.2+47.2 0.104
Main curve     0.120
 Thoracic 37 (21.3%) 7 ((38.6%) 30 (19.2%)  
 Thoracolumbar 59 (33.9%) 6 (33.3%) 53 (34.0%)  
 Lumbar 78 (44.8%) 5 (27.8%) 73 (46.8%)