. Author manuscript; available in PMC: 2011 Feb 1.

Published in final edited form as: J Biomed Mater Res A. 2010 Feb;92(2):451–462. doi: 10.1002/jbm.a.32371

Table 5. Occurrence of direct bone contact.

The ratio of the occurrence of any amount of direct bone contact in a sample to the total number of samples evaluated for each region and material group. The overall ratios for each material group and the percentage occurrence in sections are presented in the last two columns.

Material Group	Top	Middle	Bottom	Overall	In sections (%)
PPF/PF-DA Polymer	5/6	5/6	2/4	5/6	40.4
PPF/PF-DA Macrocomposite	1/4	3/5	4/5	4/6	30.0
PPF/PF-DA Nanocomposite	1/4	2/5	3/4	2/5	30.6
PPF Degradation Control	3/3	3/4	3/4	4/4	58.1

Total	10/17	13/20	12/17	15/21	39.0