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. 2018 Jan 16;26:e20170004. doi: 10.1590/1678-7757-2017-0004

Table 1. Histomorphometric comparisons of the study groups. Concerning “tissue compartments”; percentages of new bone, marrow space, and residual graft materials are shown. Concerning “microarchitectural parameters”; trabecular thickness, trabecular width, trabecular separation, and node:terminus ratio values of the newly formed bone are shown. Results are presented as means ± standard deviations (SD).

Groups (Mean±SD) p
Autograft (n=10) Xenograft (n=10) Xenograft+HA (n=10)
Tissue compartments (%)
New bone 75.31±2.88ᵃ 26.92±4.49c 30.72±3.14b 0.0001
Marrow space 24.67±2.88ᵃ 11.01±4.63b 14.49±4.41b 0.0001
Residual graft 0 63.59±7.18b 54.78±5.16ᵃ 0.0355
Microarchitectural parameters (μm)
Trabecular thickness (TbTh) 38.19±5.26ᵃ 16.93±2.11b 20.12±7.28b 0.0001
Trabecular width (TbWi) 42.35±6.43ᵃ 18.82±2.48b 24.12±8.73b 0.0001
Trabecular separation (TbSp) 2.71±0.69ᵃ 4.96±1.55b 4.51±1.35b 0.0006
Node:Terminus ratio (NNd:NTm) 6.99±2.57ᵃ 3.49±1.36b 3.86±0.78b 0.0020

Different letters in a row show statistically significant differences between three groups. Order of importance a>b>c (if any)