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. 2015 Nov 11;2(11):150496. doi: 10.1098/rsos.150496

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© 2015 The Authors. Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 5. — Boxplots illustrating change of porosity (P), pore number (PN), pore size (PS) and surface to volume ratio (SR) over time. Boxplots show median± interquartile range (IQR); range is from highest and lowest value within 75th per cent value±1.5 IQR; points illustrate the maximum and minimum outliers. (a) P at T0 compared to P at T1. Differences were significant ( p=0.001); (b) PN at T0 compared to PN at T1. Differences were significant ( p=0.013); (c) PS at T0 compared to PS at T1. Differences were significant ( p=0.032); (d) SR at T0 compared to SR in T1. Differences were significant ( p= 0.007).