Bamias39* | Retrospective cohort with a prospective component | Bone metastasis of different primary tumors including multiple myeloma | 252** | 0 | 12 |
3 | 24 |
7 | 36 |
11 | 48 |
Dimopoulous68* | Retrospective cohort with a prospective component | Multiple myeloma | 202** | 1 | 12 |
3 | 24 |
6 | 36 |
13 | 48 |
Tosi69 | Retrospective cohort study | Multiple myeloma | 259 | 6.6 | 24 |
Durie66 | Survey | Multiple myeloma (75%) and breast cancer (25%) | 1203** | 7 | 36 |
Cafro70 | Retrospective review of cases | Multiple myeloma | 104 | 12.0 | 36 |
Pozzi71 | Retrospective multicenter review of cases | Multiple myeloma | 1842 | 1.9 | 36 |