. Author manuscript; available in PMC: 2019 Jul 15.

Published in final edited form as: Acta Biomater. 2018 May 30;75:463–471. doi: 10.1016/j.actbio.2018.05.047

Table 2.

Architectural characteristics, mean compressive strength and in vivo response for the various experimental groups (NA: not applicable).

Group	GSr-0	GCSr-0	GCSr-12	GCSr-24	Control
Strut diameter (µm)	187 ± 52^a	192 ± 26^a	281 ± 45^b	263 ± 77^b	NA
Pore diameter (µm)	496 ± 133^a	502 ± 92^a	551 ± 116^a	540 ± 144^a	NA
Strut density (g/cm³)	2.927 ± 0.008	2.923 ± 0.017	3.188 ± 0.005	3.353 ± 0.021	NA
Porosity (%) – (SEM)	73.4 ± 3.8^a	76.1 ± 2.9^ab	79.1 ± 3.3^b	85.3 ± 1.2^c	NA
Porosity (%) – (micro-CT)	61.8 ± 7.5^a	66.9 ± 6.1^ab	74.6 ± 0.6^bc	80.5 ± 2.0^c	NA
Compressive strength (MPa)	1.52 ± 0.55^a	1.72 ± 0.61^a	0.83 ± 0.37^b	0.32 ± 0.06^b	NA
Mineral Apposition Rate (µm/day)	5.7 ± 2.2^ab	6.3 ± 2.2^bc	6.9 ± 2.3^bc	9.2 ± 3.7^c	2.3 ± 0.4^a
New bone formation (%) (2D histological sections)	10.7 ± 5.9^a	22.3 ± 6.7^a	20.3 ± 12.6^a	22.0 ± 15.7^a	NA
Percent bone volume BV/TV (%) (mirco-CT)	23.4 ± 4.5^b	38.5 ± 10.9^c	24.8 ± 7.1^b	32.5 ± 7.2^bc	3.5 ± 2.3^a

Identical letters denote not statistically significant differences (p > 0.05).