Risk factors of transport gap bending deformity in the treatment of critical-size bone defect after bone transport

Table 4 Incidence of TGBD according to the number of risk factors present

Risk factors(n)^a	Patients (n) per risk factor category	Incidence of re-fracture
1	144	12(8.3%)
2	66	15(22.7%)
3	27	8(29.6%)
4	7	3(42.8%)
5	-	-

TGBD transport gap bending deformity
^aTo categorize patients whether at risk or not, the continuous risk factors were dichotomised: age > 45 years vs age < 45 years, BMI > 25 kg/m² vs BMI < 25 kg/m², femur vs tibia, diabetes vs not diabetes, osteoporosis vs not osteoporosis, glucocorticoid intake vs not glucocorticoid intake, duration of infection > 24 months vs duration of infection < 24 months, EFT > 9 months vs EFT < 9 months, EFI > 1.8 month/cm vs EFI < 1.8 month/cm

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