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. 2016 Sep 1;16(1):83. doi: 10.1186/s12903-016-0281-1

Table 2.

Comparison of differences in the sagittal bone thickness (in mm) between T1 and T0

Position Level n Min. Max. Mean SD Wilcoxon test T1–T0
Maxilla Buccal Apex T1–T0 120 −2.36 4,01 0,04 1,04 Z −0.063 a
A. significance (two-sided) P = 0.950
HSPulpa (HEJ) T1–T0 120 −1.19 1,36 0,02 0,41 Z −0.965 b
A. significance (two-sided) P = 0.334
Oral Apex T1–T0 120 −3.87 2,66 −0.17 1,2 Z −0.980 a
A. significance (two-sided) P = 0.327
HSPulpa (HEJ) T1–T0 120 −1.94 1,34 −0.11 0,58 Z −2.069 a
A. significance (two-sided) P = 0.039
Mandible Buccal Apex T1–T0 120 −2.59 3,6 −0.42 0,86 Z −5.853 a
A. significance (two-sided) P <0.001
HSPulpa (HEJ) T1–T0 120 −1.43 0,47 −0.17 0,25 Z −6.646 a
A. significance (two-sided) P <0.001
Oral Apex T1–T0 120 −3.56 2,31 0,48 0,84 Z −6.630 b
A. significance (two-sided) P <0.001
HSPulpa (HEJ) T1–T0 120 −0.81 1,97 0,39 0,46 Z −7.377 b
A. significance (two-sided) P <0.001

Wilcoxon test* for statistical analysis

* Wilcoxon signed rank test

a Based on positive ranks

b Based on negative ranks