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Table 3 Comparison of frequencies of cartilage lesions, the cartilage lesion scores and the modified WORMS for the SPGR and T2 sequences for the different K-L grades

From: Efficacy of magnetic resonance imaging with an SPGR sequence for the early evaluation of knee cartilage degeneration and the relationship between cartilage and other tissues

K-L grading scale

 

MRI sequence

SPGR

T2

K-L1 grade

Cartilage lesion

Frequency

14/36 (38.89%)

7/36 (19.44%)

Mean ± SD

1.19 ± 1.92*

0.39 ± 0.96*

WORMS

4.78 ± 4.31*

4.06 ± 3.79*

K-L2 grade

Cartilage lesion

Frequency

21/29 (72.41%)

17/29 (58.62%)

Mean ± SD

3.21 ± 2.79*

1.76 ± 2.50*

WORMS

8.38 ± 4.95*

7.00 ± 5.00*

K-L3 grade

Cartilage lesion

Frequency

17/19 (89.47%)

17/19 (89.47%)

Mean ± SD

9.84 ± 5.55*

6.84 ± 5.04*

WORMS

20.16 ± 7.90*

17.16 ± 7.59*

Total

Cartilage lesion

Frequency

52/84 (61.90%)

41/84 (48.80%)

Mean ± SD

3.85 ± 4.72*

2.38 ± 3.86*

WORMS

9.50 ± 8.11*

8.04 ± 7.30*

  1. *P < 0.05. WORMS Whole-Organ Magnetic Resonance Imaging Score, SPGR spoiled gradient-recalled, K-L Kellgren-Lawrence, MRI magnetic resonance imaging
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X