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Table 4 All tabulated results of p-values calculated from a two sample t-test to compare significance between each of the material combinations to the vertebrae for each of the bur sweep’s parameters (Fx, Fy, Mx, and My)

From: Material characterization and selection for 3D-printed spine models

p-values (Two-Sample Test) Fx Fy Mx My
Non-UV 4.00E-18 0.00E + 00 1.81E-27 9.64E-241
UV 3.73E-34 0.00E + 00 2.14E-20 1.66E-233
10% Tough + 90% Clear 0 0 0 3.31E-178
100% Tough 2.79E-148 0.00E + 00 2.37E-151 3.23E-139
0.125% Kevlar + 100% Clear 4.14E-240 0.00E + 00 3.06E-252 3.22E-277
10% Castable + 90% Clear 0 0 0 2.18E-114
5% Gypsum + 100% Clear 7.00E-285 0.00E + 00 1.26E-312 3.24E-30
15% Gypsum + 100% Clear 0 0.00E + 00 0 4.21E-91
30% Gypsum + 100% Clear 0 0 0 5.55E-72
10% Flexible + 90% Clear 2.43E-217 0.00E + 00 1.00E-231 4.68E-159
5% Flexible + 5% Tough + 90% Clear 0 0.00E + 00 0 3.97E-84
100% Dental 7.50E-75 0 8.00E-92 6.91E-46
PLA Unpolished 7.75E-85 0.00E + 00 0 8.44E-94
PLA Polished 3.67E-256 0.00E + 00 0 2.48E-05
Nylon 6.87E-10 0 8.77E-130 1.49E-17