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Patient Characteristics (n = 302)
| Characteristic | Number (%) |
|---|---|
| Age | |
| Median (range) | 58.5 (38–76) |
| Sex | |
| Men | 185 (61) |
| Women | 117 (39) |
| Isotype | |
| IgG | 177 (59) |
| IgA | 63 (21) |
| Light chain only | 47 (15) |
| Other (IgD, IgM, Nonsecretory) | 15 (5) |
| Durie-Salmon stage at diagnosis | |
| I | 59 (20) |
| II | 127 (42) |
| III | 103 (34) |
| Unknown | 13 (4) |
| No. of previous treatment regimens | |
| 1 | 186 (62) |
| >1 | 115 (38) |
| Interval from diagnosis to mobilization | |
| ≤12 months | 237 (78) |
| >12 months | 65 (22) |
| Prior lenalidomide | |
| Yes | 64 (21) |
| No | 238 (79) |
