Table 3.

Evaluation of bone union

	Local bone graft	ICBG	Statistical analysis
Average period of bone union, mean (range), months
Evaluation by X-ray	7.5 ± 2.0 (6–24)	8.0 ± 2.4 (6–24)	N.S.
Evaluation by CT	8.5 ± 3.0 (6–24)	7.7 ± 2.0 (6–24)	N.S.
Bone union (CT), number of patients
Bilateral fusion mass	26	24	N.S.
Unilateral fusion mass	12	10	N.S.
No fusion mass	4	6	N.S.
Bone union (X-ray), number of patients
Instability (−)	35	34	N.S.
Instability (+)	7	6	N.S.