Table 3 Association between the location of intervertebral discs (IVDs) adjacent to vertebral fractures (VFs) and the shape of intradiscal vacuum phenomena (VPs)
IVD location | Â | VP shape | Total | |||
|---|---|---|---|---|---|---|
VP (−) | Spot | Linear | Island | |||
VF (−) | Count (% raw) | 240** (70.8) | 18 (5.3) | 29 (8.6) | 52* (15.3) | 339 |
Exp. Count | 221.4 | 25.8 | 37.0 | 64.9 | Â | |
Corrected P-value | < 0.0006 | 0.004 | 0.012 | < 0.003 |  | |
Superior | Count (% raw) | 18** (35.3) | 9 (17.6) | 5 (9.8) | 19** (37.3) | 51 |
Exp. Count | 31.8 | 3.9 | 5.6 | 9.8 | Â | |
Corrected P-value | < 0.0006 | 0.004 | 0.790 | < 0.0006 |  | |
Bilateral | Count (% raw) | 24 (53.3) | 5 (11.1) | 10 (22.2) | 6 (13.3) | 45 |
Exp. Count | 28.1 | 3.4 | 4.9 | 8.6 | Â | |
Corrected P-value | 0.190 | 0.353 | 0.011 | 0.299 | Â | |
Inferior | Count (% raw) | 21* (41.2) | 5 (9.8) | 9 (17.6) | 16 (31.4) | 51 |
Exp. Count | 31.8 | 3.9 | 5.6 | 9.8 | Â | |
Corrected P-value | < 0.003 | 0.533 | 0.103 | 0.019 |  | |
| Â | Total | 303 | 37 | 53 | 93 | 486 |