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Table 2 Patient characteristics and univariate analysis of clinical factors associated with bar displacement

From: A clinical decision-making model for repeat surgical treatment of pectus Bar displacement: distance measurement after nuss procedure

Variable All (N = 61) Group A (N = 54) Group B (N = 7) P
Age 15.1 + 8.6 14.0 + 7.5 23.3 ± 12.0 0.0062
Sex     0.5856
 Male 54 47 7  
 Female 7 7 0  
BMI 18.4 + 2.8 18.2 ± 2.8 19.5 ± 2.4 0.2582
 Height 1.5 + 0.3 1.5 ± 0.3 1.6 ± 0.3 0.4543
 Weight 46.8 + 18.6 46.0 ± 18.9 53.3 ± 16.4 0.3361
HI     
 Pre- HI 4.1 + 12 4.0 ± 1.1 5.0 ± 1.0 0.033
 Post- HI 2.7 + 0.4 2.7 ± 0.4 3.2 ± 0.5 0.0006
 Diff- HI 1.4 + 1.1 1.3 ± 1.1 1.7 ± 1.0 0.3175
Type     0.4288
Symmetric 32 27 5  
Asymmetric 29 27 2  
No. of inserted bar     0.2414
 1 32 30 2  
 2 29 24 5