Table 7 The Extrusion width (EW) and the Inner width (IW) of the medial meniscus (MM) and the lateral meniscus (LM), which were measured before meniscectomy and at the time when PAONK was diagnosed. In the “Changes between the 2 periods”, plus and minus values show an increase and a decrease of the width, respectively
Patient No. | Age Sex | Before meniscectomy | At the time of diagnosis of PAONK | Changes between the 2 periods | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
EW (mm) | IW (mm) | EW (mm) | IW (mm) | EW (mm) | IW (mm) | ||||||||
MM | LM | MM | LM | MM | LM | MM | LM | MM | LM | MM | LM | ||
1. | 70’s, F | 7.1 | 0.0 | 2.0 | 8.0 | 8.0 | 0.0 | −1.6 | 7.9 | 0.9 | 0.0 | 3.6 | - 0.1 |
2. | 60’s, M | 4.1 | −0.6 | 6.9 | 10.8 | 4.2 | −0.6 | 1.2 | 11.0 | 0.1 | 0.0 | 5.7 | 0.2 |
3. | 60’s, F | 4.4 | 0.4 | 4.9 | 8.1 | 5.1 | 0.4 | 3.5 | 8.1 | 0.7 | 0.0 | 1.4 | 0.0 |
4. | 70’s, F | 6.8 | −0.4 | 2.9 | 8.6 | 6.8 | − 0.4 | 0.0 | 8.5 | 0.0 | 0.0 | 2.9 | −0.1 |
5. | 60’s, F | 5.4 | −0.6 | 0.0 | 8.1 | 6.6 | −0.6 | −1.2 | 8.5 | 1.2 | 0.0 | 1.2 | 0.4 |
6. | 60’s, F | 3.5 | 1.3 | 6.1 | 7.2 | 6.1 | 1.3 | 1.4 | 7.0 | 2.6 | 0.0 | 4.7 | −0.2 |
7. | 60’s, F | 5.8 | 0.0 | 1.7 | 7.2 | 6.1 | 0.0 | −2.1 | 7.8 | 0.3 | 0.0 | 3.8 | 0.6 |
8. | 80’s, M | 3.7 | −1.1 | 6.5 | 12.7 | 5.9 | −1.3 | 0.6 | 13.3 | 2.2 | −0.2 | 5.9 | 0.6 |
9. | 60’s, F | 2.8 | −1.8 | 6.1 | 10.6 | 4.8 | −1.8 | 1.6 | 7.9 | 2.0 | 0.0 | 4.5 | −2.7 |
10. | 60’s, F | 3.4 | 0.6 | 7.1 | 9.4 | 4.9 | 0.8 | 2.2 | 9.0 | 1.5 | 0.2 | 4.9 | −0.4 |
Mean | 4.7 | −0.2 | 4.4 | 9.1 | 5.9 | −0.2 | 0.6 | 8.9 | 1.2 | 0.0 | 3.9 | −0.2 | |
(SD) | (1.4) | (0.8) | (2.4) | (1.7) | (1.1) | (0.9) | (1.7) | (1.8) | (0.9) | (0.1) | (1.5) | (0.9) | |
P value | P < 0.0001a | P < 0.0001 a | P < 0.0001 a | P < 0.0001 a | P = 0.0039 b | N.S. b | P = 0.0020 b | N.S. b | |||||