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. 2015 Oct 23;16:314. doi: 10.1186/s12891-015-0776-y

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© Mickevicius et al. 2015

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 6 — Correlations between different quantitative parameters. Bivariate linear correlations were assessed using Spearman‘s correlation coefficient. a Inverse correlation between chondrocyte viability (%) and quantitative parameter (QP). Correlation coefficient (r = −0.654), corresponding P-value (p < 0.01); (b) Direct correlation between Mankin score and QP. Correlation coefficient (r = 0.673), corresponding P-value (p < 0.01); (c) Direct correlation between apoptotic chondrocytes (%) and QP. Correlation coefficient (r = 0.416), corresponding P-value (p < 0.01); (d) Direct correlation between Mankin score and apoptotic chondrocytes (%). Correlation coefficient (r = 0.493), corresponding P-value (p < 0.01); (e) Inverse correlation between red color intensity (%) and apoptotic chondrocytes (%). Correlation coefficient (r = −0.644), corresponding P-value (p < 0.01)