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Table 6 Complications in all patients and between groups

From: Traditional growing rod for early-onset scoliosis in high-altitude regions: a retrospective study

  H-A group L-A group Total P value
Total no. of complications 33/89 45/145 78/234 0.341
No. of patients with at least one complication 14 23 37 0.815
No. of patients with at least one implant-related complication 12 23 35 0.372
No. of complications per patient 1.43 1.25 1.32  
No. of implant-related complications per patient 0.87 1.11 1.02  
Complication rate per surgical procedure (%) 37.1 31 33.3  
Implant-related complication rate per surgical procedure (%) 22.5 27.6 25.6  
Implant-related complications 20/89 40/145 60/234 0.384
Implant dislodgement 5/89 5/145 10/234 0.426
Implant loosen 3/89 11/145 14/234 0.3
Rod fracture 3/89 14/145 17/234 0.072
Proximal junctional kyphosis 9/89 10/145 19/234 0.382
No. of patients with more than two complications 6 14 20 0.311
Neurological complication (no.) 2/89 1/145 3/234 0.667
Surgical site infection (no.) 4/89 1/145 5/234 0.051
Superficial 2/89 0/145 2/234 0.144
 Deep 2/89 1/145 3/234 0.667
Other complications 7/89 3/145 10/234 0.033
 Pulmonary problems 5/89 1/145 6/234 0.059
 Gastrointestinal 1/89 2/145 3/234 1
 Dural tear 1/89 0/145 1/234 0.38