Effects of low intensity pulsed ultrasound with and without increased cortical porosity on structural bone allograft incorporation

Table 3 Summary of MAR in Host, Graft and Interface Regions of Interest

		Mineral Apposition Rate (MAR), mm/d
		Host	Graft	Interface
reatment	Cortex	Mean ± SEM	Mean ± SEM	Mean ± SEM
(-)CTL	Cranial	0.242 ± 0.102	0.003 ± 0.004	0.533 ± 0.028
	Caudal	0.248 ± 0.084	0.043 ± 0.025	0.52 ± 0.015
LIPUS	Cranial	1.306 ± 0.197^a	0.364 ± 0.142^a	2.058 ± 0.046^a
	Caudal	1.055 ± 0.214^a	0.520 ± 0.153^a	2.580 ± 0.033^a
LAP	Cranial	0.897 ± 0.162^a	0.496 ± 0.157^a	2.543 ± 0.194^a
	Caudal	0.965 ± 0.18^a	0.182 ± 0.099^a	1.608 ± .0.034^a
LIPUS+LAP	Cranial	0.640 ± 0.142^b	0.768 ± 0.216^a	1.597 ± 0.037^a
	Caudal	0.557 ± 0.146^b	0.332 ± 0.142^a	1.964 ± 0.07^a
(+)CTL	Cranial	0.739 ± 0.15^a	0.696 ± 0.157^a	2.243 ± 0.101^a
	Caudal	0.926 ± 0.176^a	0.576 ± 0.15^a	1.932 ± 0.057^a

a, p < 0.001 relative to (-)CTL.
b, p < 0.010 relative to (-)CTL.
NOTE: there were no significant differences (p > 0.05) for MAR in any region between LIPUS, LAP. or LIPUS+LAP treatment groups.