Table 2

The relationship between macroscopic tears of medial menisci and cartilage degradation

ICRS grade

<1°

2°

3°

4°

No tear

288

62

50

16

Radial tear of posterior horn

4

3

17

27*#

Other types of tear

15

9

22

25*

Worn-out meniscus

0

1

1

8*#

*: p < 0.001 vs. No tear group #: p < 0.05 vs. Other types of tear group

Kan et al. Sports Medicine, Arthroscopy, Rehabilitation, Therapy & Technology 2010 2:1   doi:10.1186/1758-2555-2-1