Table 2.

Demographic details of patients in each group

Demographic	ICBG	BMP-7	P value
Number of patients (total N = 27)	12	15	P > 0.05
Male/female	9/3	10/5	P > 0.05
Mean age (range)	41.4 years (16.1–63.9)	38.5 years (20.4–79.2)	P > 0.05
Open/closed	4/8	4 /11	P > 0.05
Mean hospital stay (range)	10.66 days (9–13)	8.66 days (7–11)	(P = 0.061)
Mean time to union (range)	6.9 months (6.1–7.6)	5.5 months (4.7–6.2)	(P < 0.001)
Follow-up (years)	2.84	2.4

ICBG iliac-crest-bone-graft, BMP-7 bone morphogenetic protein-7