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Table 3 Difference between the age groups on the degeneration grades at each disc level

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

Age GroupsL1-L2L2-L3L3-L4L4-L5L5-S1
uPuPuPuPuP
A vs B− 1.720.08− 1.590.11− 1.830.67− 1.810.07− 0.990.33
B vs C− 4.180.00*− 2.880.00*− 4.230.00*− 4.480.00*− 3.390.00*
A vs C− 5.050.00*− 3.650.00*− 5.390.00*− 6.030.00*− 4.190.00*
  1. * There was a statistically significant difference (P < 0.05)