. Author manuscript; available in PMC: 2015 Sep 1.

Published in final edited form as: J Mech Behav Biomed Mater. 2014 May 27;37:174–185. doi: 10.1016/j.jmbbm.2014.05.016

Table 3.

Mean (SD) values of RPI parameters from 3 orthogonal directions (data obtained on the bone cube from the medial quadrant). Superscript symbols indicate significant differences between indentation directions from the post hoc analysis.

	TID [μm]	IDI [μm]	CID1 [μm]	ED1 [μJ]	US1 [N/μm]	LS1 [N/μm]	avgCID [μm]	avgED [μJ]	avgUS [N/μm]	avgLS [N/μm]
Radial	78.0 (7.2)	12.2 (2.3)	5.1 (0.6)	236 (25)	0.57^* (0.05)	0.20 (0.02)	1.19^* (0.19)	33.4^* (3.8)	0.60^* (0.06)	0.48^* (0.04)
Circumferential	77.5 (7.7)	11.8 (2.0)	5.0 (0.7)	228 (32)	0.57^* (0.05)	0.21 (0.02)	1.12^* (0.16)	32.0^* (3.5)	0.61^* (0.06)	0.48^* (0.04)
Longitudinal	76.1 (8.2)	11.3 (2.0)	4.8 (0.7)	239 (32)	0.67^†^‡ (0.07)	0.21 (0.02)	1.02^†^‡ (0.16)	30.2^†^‡ (4.7)	0.70^†^‡ (0.07)	0.54^†^‡ (0.06)

^†

Significantly different from radial

^‡

Significantly different from circumferential

Significantly different from longitudinal