Numbers of new enhancing lesions/patient seen in the three patient groups studied
| Number of scans | Group A | Group B | Group C | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| No of patients | Mean (SD) | Min–max | No of patients | Mean (SD) | Min–max | No of patients | Mean (SD) | Min–max | |||
| 3 | 66 | 5.9 (11.6) | 0–72 | 120 | 8.7 (13.9) | 0–84 | 78 | 5.6 (8.4) | 0–34 | ||
| 6 | 66 | 13.0 (20.6) | 0–122 | 115 | 16.8 (22.4) | 0–109 | 78 | 10.2 (14.6) | 0–66 | ||
Group A: patients with RRMS not selected for MRI activity at entry;
Group B: patients with RRMS selected for MRI activity at entry;
Group C: patients with SPMS not selected for MRI activity at entry.
For further details and statistical analysis: see text.