Table 3.

Multivariable regression analyses of possible predictive factors for the risk of re-displacement

	Odds ratio	95% CI	p-value
Baseline fracture variables
Gender	1.2	0.2–4.0	0.6
Mechanism of injury
Falling during running	2.7	0.05–3.8	0.8
Falling from a height	4.4	0.01–6.1	0.5
Both-bone fracture	2.8	0.6–5.8	0.08
Failure to achieve anatomical reduction	3.9	1.1–7.7	0.05
Radiographic features
Spiral pattern of fracture	1.2	0.2–5.2	0.7
Oblique pattern of fracture	3.0	0.02–7.3	0.2
Initial angulation >10°	6.5	2.2–9.5	0.001
Initial displacement >10 mm	6.1	0.6–9.1	0.1
Cast index (≥ 0.7)	5.3	3.1–7.6	0.002
Padding index (≥ 0.3)	3.1	0.1–7.3	0.3
Canterbury index (≥ 1.1)	3.8	1.9–6.8	0.002
3-point index (≥ 0.8)	7.4	2.1–10	> 0.001

CI: 95% confidence interval.