From: Biomechanical analysis of the posterior bony column of the lumbar spine
Mechanical parameters | Nonparametric | Normality test | ANOVA | Homogeneity test |
---|---|---|---|---|
Elastic modulus (MPa) | χ 2 = 51.919 | P = 0.000 < 0.05 | F = 111.195 | P = 0.000 |
Maximum deformation (%) | χ 2 = 42.519 | P = 0.000 < 0.05 | F = 42.528 | P = 0.000 |
Ultimate strength (MPa) | χ 2 = 46.820 | P = 0.000 < 0.05 | F = 59.557 | P = 0.000 |
Maximum load (N) | χ 2 = 50.075 | P = 0.000 < 0.05 | F = 30.787 | P = 0.000 |