Table 6 Associations between uptake grade of, or defect evident on, whole-body bone scan (WBBS) and Association Research Circulation Osseous (ARCO) classifications on magnetic resonance imaging (MRI)
From: Clinical characteristics and role of whole-body bone scan in multifocal osteonecrosis
ARCO | Uptake grade of WBBS | Total | p-value | WBBS Photon defect | Total | p-value | |||
|---|---|---|---|---|---|---|---|---|---|
0 | 1 | 2 | (−) | (+) | |||||
0 | 32 | 5 | 2 | 39 | 0.491, < 0.001 | 5 | 34 | 39 | −0.032, 0.496 |
1 | 30 | 11 | 17 | 58 | 14 | 44 | 58 | ||
2 | 54 | 66 | 69 | 189 | 80 | 109 | 189 | ||
3 | 9 | 33 | 101 | 143 | 39 | 104 | 143 | ||
4 | 0 | 9 | 20 | 29 | 10 | 19 | 29 | ||
Total | 125 | 124 | 209 | 458 | 148 | 310 | 458 | ||