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Table 2 Correlation of the cartilage degeneration grades and period of ACL reconstruction, BMI and Meniscus tear/intervention

From: Degenerative changes through MR cartilage mapping in anterior cruciate ligament-reconstructed knees

 

Grades

Test of significance

Grade 0

(N = 8)

Grade I

(N = 10)

Grade II

(N = 37)

Grade III

(NN = 6)

Mean ± SD

N (%)

Mean ± SD

N (%)

Mean ± SD

N (%)

Mean ± SD

N (%)

p-value

Sig.

Period of reconstruction

3.25 ± 0.89

3.47 ± 1.42

4.47 ± 2.06

4.33 ± 1.03

0.118(A)

NS

Period of reconstruction

2–5

8 (100%)a

22 (100%)a

6 (42.8%)b

4 (23.5%)a,b

0.011(F)

S

> 5–8

0 (0%)a

0 (0%)a

8(57.1%)b

13 (76.4%)a,b

BMI

24 ± 0

27.73 ± 1.79

29.81 ± 3.86

31.1 ± 4.49

<0.001(A)

S

BMI

20–<25

8 (100%)a

4 (12.5%)b

0 (0%)b

0 (0%)b

<0.001(F)

S

25–<30

0 (0%)a

24 (75%)b

8 (53.3%)b,c

2 (33.3%)a,c

≥ 30

0 (0%)a

4 (12.5%)a

7 (46.7%)b

4 (66.7%)b

Meniscus tear /intervention

Yes

8 (100%)a

16 (50%)b

4 (26.67%)b

0 (0%)a

<0.001(F)

S

No

0 (0%)a

16 (50%)b

11 (73.33%)b

6 (100%)a

  1. Post-hoc Tukey test was significant: -Grade 0 Vs. Grade I, II & III. - Grade I Vs. Grade III
  2. Each subscript letter denotes a subset of Group categories whose column proportions do not differ significantly from each other at the .05 level
  3. F Fisher’s Exact test of significance
  4. A One Way ANOVA test of significance