Time from definitive treatment to radiological union.

Table 2: Time from definitive treatment to radiological union.

Time to union	Frequency	∑ Freq.	% Union rate
6 weeks	36	36	11.5
12 weeks	245	281	89.5
24 weeks	22	303	96.5
> 24 weeks	4	307	97.8
Amputation	1	308	98.1
Loss to follow-up	6	314	100.0

χ² = 494.987; P-value < 0.00001.