Table 3 Distribution of Pfirrmann grades according to consensus reading (n = 1505)
Pfirrmann grade | L1/L2 | L2/L3 | L3/L4 | L4/L5 | L5/S1 |
|---|---|---|---|---|---|
% (n) | % (n) | % (n) | % (n) | % (n) | |
I | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
II | 75.4 (1135) | 63.9 (961) | 47.9 (721) | 22.7 (342) | 21.8 (328) |
III | 19.8 (298) | 29.1 (438) | 39.7 (598) | 41.4 (623) | 29.8 (449) |
IV | 4.3 (65) | 5.8 (87) | 11.0 (165) | 28.3 (426) | 31.4 (473) |
V | 0.3 (4) | 1.1 (17) | 1.3 (19) | 7.2 (109) | 16.6 (250) |
N/A | 0.2 (3) | 0.1 (2) | 0.1 (2) | 0.3 (5) | 0.3 (5) |