Table 11 Four-year changes in Osame motor disability score (OMDS) in the three subgroups classified by interferon-α treatment conditions (n = 148)
OMDS change | ||||
|---|---|---|---|---|
Improved | No change | Worsened | Total | |
Patients with HAM/TSP without interferon-α treatment during the observation period | 2 (1.5%) | 86 (65.6%) | 43 (32.8%) | 131 (100.0%) |
Patients with HAM/TSP with at least once interferon-α treatment during the observation period | 0 (0.0%) | 3 (30.0%) | 7 (70.0%) | 10 (100.0%) |
Patients with HAM/TSP with at least once unknown treatment condition during the observation period | 0 (0.0%) | 5 (71.4%) | 2 (28.6%) | 7 (100.0%) |
Total | 2 (1.4%) | 94 (63.5%) | 52 (35.1%) | 148 (100.0%) |