Additional file 1: Table S1. of Characterization of nano-structural and nano-mechanical properties of osteoarthritic subchondral bone

EDS data of subchondral bone plate. Values (mean ± SD) with different superscript letters (a vs b vs c) were significant difference (one-way ANOVA analysis and SNK-q test, P < 0.05). Table S2. EDS data of trabecular bone. Values (mean ± SD) with different superscript letters (a vs b vs c) were significant difference (one-way ANOVA analysis and SNK-q test, P < 0.05). Table S3. The EDS data of mineral crystals are shown as follow. Values (mean ± SD). Significance = P < 0.05. Table S4. The splitting factor data of mineral crystals are shown as follow. Values (mean ± SD). Significance = P < 0.05. (DOC 104 kb)