Table 4 Odds ratios for prediction of nonunion at 12 months by multivariate logistic regression

Age (≥ 35 years old)

0.99 (CI 0.41–2.40)

0.98

Female

1.29 (CI 0.54–3.06)

0.56

BMI (Every 1 kg/m² increasing)

1.10 (CI 1.00–1.20)

0.05

Nail fit ratio (Every 0.1 increasing)

0.91 (CI 0.69–1.20)

0.52

Open reduction

3.56 (CI 1.48–8.55)

0.005

GT entry nail

2.13 (CI 0.70–6.51)

0.18

Iatrogenic comminution

4.73 (CI 1.85–12.10)

0.001