Table 1.
Clinical characteristics and MRI patterns of patients.
| Variable | Good responders (n = 53) | Poor responders (n = 42) | P value |
|---|---|---|---|
| Age ≥ 65 (years) | 14 | 15 | 0.328 |
| Sex | |||
| Female | 18 | 16 | 0.676 |
| Male | 35 | 26 | |
| BMPC ≥ 60% | 11 | 9 | 0.566 |
| Treatment | |||
| BCD | 43 | 34 | 0.593 |
| VRD | 10 | 8 | |
| D-S staging | |||
| II | 6 | 5 | 0.588 |
| III | 47 | 37 | |
| ISS staging | |||
| I | 12 | 7 | 0.643 |
| II | 18 | 13 | |
| III | 23 | 22 | |
| R-ISS staging | |||
| I | 10 | 7 | 0.834 |
| II | 33 | 25 | |
| III | 10 | 10 | |
| MRI pattern | |||
| Normal | 9 | 7 | 0.191 |
| Focal | 4 | 6 | |
| Diffuse | 31 | 18 | |
| Focal and diffuse | 4 | 9 | |
| Salt-and-pepper | 5 | 2 |
BMPC: bone marrow plasma cells; D-S: Durie-Salmon staging system; ISS: International Staging System; R-ISS: Revised International Staging System.