Patients' characteristics according to treatment group
| α-IFN (n=12) | Placebo (n=12) | |
| Age (y) | 67.5 (61.5–74.5) | 67.5 (66–73.5) |
| Male sex | 6 (50) | 10 (83) |
| Patients never previously treated | 7 (58) | 6 (50) |
| Duration of neuropathy (y) | 3 (2–10) | 3.5 (1–9.5) |
| Patients with bone marrow lymphoid infiltrate | 2 (17) | 1 (8) |
| Clinical score: | ||
| M0 | 34 (25.5–35.5) | 30 (25.5–36.5) |
| M3 | 28 (21–35) | 28 (21.5–33) |
| M6 | 31 (27.5–35) | 28 (24–31) |
Values are median (25th–75th percentiles) or n (%).