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Table 5 Comparing the cement leak disc MPGS differences between the two groups of ZK and SP grade in the experimental group

From: Effect of Percutaneous Kyphoplasty on the progression of intervertebral disc degeneration: a retrospective cohort study

ZK and SP grade

MPGS differences (%)

p

0

1

2

3

LGL

13 (68.4)

4 (21.1)

2 (10.5)

0 (0.0)

0.017

MHGL

15 (31.9)

25 (53.2)

5 (10.6)

2 (4.3)

  1. ZK and SP grades were positively related to the modified Pfirrmann grading system (MPGS), LGL Low-grade leaks, grade I; MHGL Medium- and high-grade leaks, grades II–IV, p: p-value of the Mann–Whitney U test
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X