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Table 3 Group statistics and independent samples test between specimens of the L3PS + L4PS and the L3MDPS + L4MDPS, and between specimens of the L3PS + L4PS and the L3MDPS + L4PS

From: Investigation into the biomechanics of lumbar spine micro-dynamic pedicle screw

Group Statistics and Independent Samples Test
Load Models N Mean Std. Deviation Std. Error Mean Sig. (2-tailed)
Flexion L3PS + L4PS 6 .9235 .11014 .04496 0.029
L3MDPS + L4MDPS 6 1.3885 .38074 .15544
Extension L3PS + L4PS 6 .8051 .08874 .03623 0.01
L3MDPS + L4MDPS 6 1.3654 .34830 .14219
Flexion L3PS + L4PS 6 .9235 .11014 .04496 0.017
L3MDPS + L4PS 6 1.3270 .32559 .13292
Extension L3PS + L4PS 6 .8051 .08874 .03623 0.008
L3MDPS + L4PS 6 1.0885 .19233 .07852