Table 1.

Patient demographics

Study groups
	OP-1 + autograft, group 2 (n=6)	Autograft only, group 1 (n=6)	OP-1 + allograft, group 3 (n=6)
Non-union duration (months)a	15±5	14±5	13±4
Fracture site (proximal/middle/distal)	1/3/2	1/4/1	1/3/1
Proximal pole sclerosis CT area (>100 mm2)	6	6	5
Age (years)a	23±5	22±5	19±4
Body mass index (kg/m2)a	20.1±1.5	21.3±2.1	19.8±1.3
Tobacco	3	3	2

OP-1 osteogenic protein-1

ANOVA analyses of duration, age, and body mass index were not different among patient cohorts

^aMean ± SD