Table 2.

Radiographic scores at 8 weeks

Treatment group		No. studied radiographically	Score at 8 weeks (mean ± SD)
Group I	Carrier alone	11	1.18 ± 1.40
Group II	1 μg rhBMP-2	12	1.75 ± 1.42
Group III	Carrier + PTH	12	2.42 ± 1.73
Group IV	1 μg rhBMP-2 + PTH	11	2.55 ± 1.37
Group V	10 μg rhBMP-2	11	3.36 ± 1.21*
Group VI	10 μg rhBMP-2 + PTH	11	3.45 ± 1.04*

*p < 0.05 (vs group I)