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Table 4 Difference between the IDH of different Roussouly types in asymptomatic subjects

From: Correlation between lumbar intervertebral disc height and lumbar spine sagittal alignment among asymptomatic Asian young adults

  L1/2 L2/3 L3/4 L4/5 L5/S1
Type Mean Diff. P value Mean Diff. P value Mean Diff. P value Mean Diff P value Mean Diff. P value
I x II 0.1826 0.8867 0.1598 0.9324 0.1259 0.9774 0.1322 0.9834 0.1399 0.9746
I x III − 0.5873 0.0676 − 0.7850 0.0114* − 0.9876 0.0051* − 1.071 0.0110* − 0.8494 0.0361*
I x IV − 1.307 0.0002* − 1.484 < 0.0001* − 1.525 0.0005* − 1.754 0.0006* − 1.262 0.0111*
II x III − 0.7699 0.0020* − 0.9448 0.0002* − 1.114 0.0002* − 1.203 0.0007* − 0.9893 0.0027*
II x IV − 1.490 < 0.0001* − 1.644 < 0.0001* − 1.651 < 0.0001* − 1.886 < 0.0001* − 1.401 0.0016*
III x IV − 0.7200 0.0460* − 0.6989 0.0800 − 0.5374 0.3871 − 0.6833 0.3117 − 0.4121 0.6636
  1. *There was a statistically significant difference (p <  0.05)