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Table 5 Difference between the age groups on degeneration degree in four Roussouly types

From: Different spinal subtypes with varying characteristics of lumbar disc degeneration at specific level with age: a study based on an asymptomatic population

Roussouly typesL1-L2L2-L3L3-L4L4-L5L5-S1
A vs. BB vs. CA vs. CA vs. BB vs. CA vs. CA vs. BB vs. CA vs. CA vs. BB vs. CA vs. CA vs. BB vs. CA vs. C
uPuPuPuPuPuPuPuPuPuPuPuPuPuPuP
Type I− 0.450.66− 1.840.07−  2.070.04*− 0.820.41− 0.300.77− 0.990.32− 1.180.24− 1.140.26− 1.880.06− 1.360.17− 2.210.03*− 2.880.00*− 0.370.71− 2.500.01*− 1.660.10
Type II− 2.040.04*− 2.420.02*− 3.430.00*− 0.850.40− 2.380.02*− 2.470.01*− 1.760.08− 1.380.17− 2.680.01*− 0.950.34− 1.200.23− 2.200.03*− 0.920.36− 1.380.17− 2.160.03*
Type III− 0.510.61− 2.590.01*− 2.800.01*− 0.660.51− 1.370.17− 1.930.05− 0.210.84− 3.960.00*− 4.520.00*− 0.510.61− 3.470.00*− 4.110.00*− 0.560.57− 1.980.04*− 2.710.01*
Type IV− 0.200.84− 1.030.30− 1.130.26− 1.100.27− 1.410.16− 1.410.16− 0.130.90− 0.520.61− 0.380.71− 0.910.36− 1.870.06− 2.390.02*− 0.270.79− 1.190.23− 1.330.18
  1. * There was a statistically significant difference (P < 0.05)