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Table 2 Regional differences for upper (L123) V lower (L45S1)

From: Intra-discal vacuum phenomenon with advanced lumbar spine disc degeneration: complementary findings from both MRI and CT

Level

L1L2L3

L45S1

Inter-Observations SS

Intra-Observations SS

F-ratio

p value

Incidence

26

58

    

Pfirrmann Grade

4.11

4.28

0.4623

34.2401

1.10721

0.296

Disc Height

0.52

0.51

0.001

5.7022

0.01475

0.904

IDVP Severity

1.5

1.98

4.1839

33.4828

10.24648

0.002