Table 4 Known Group Validity at baseline
| Â | Â | PRIMUS QoL | Â | PRIMUS Activities | Â | UFIS |
|---|---|---|---|---|---|---|
| Â | n | Mean (SD) | n | Mean (SD) | n | Mean (SD) |
EDSS Group | Â | Â | Â | Â | Â | Â |
0-1.5 | 391 | 2.7 (3.5) | 393 | 1.6 (3.5) | 381 | 11.7 (11.0) |
2-2.5 | 255 | 3.8 (4.0) | 253 | 2.7 (3.8) | 252 | 17.6 (13.7) |
3-3.5 | 130 | 5.3 (4.6) | 129 | 4.5 (5.4) | 129 | 22.2 (14.4) |
4-5.5 | 102 | 7.4 (5.2) | 99 | 7.7 (5.5) | 102 | 27.1 (14.8) |
P | Â | < 0.01 | Â | < 0.01 | Â | < 0.01 |
Number of relapses in previous 2 years | Â | Â | Â | Â | Â | Â |
1 | 259 | 3.8 (4.3) | 260 | 2.2 (3.4) | 262 | 16.1 (13.8) |
2 | 522 | 3.8 (4.1) | 519 | 3.1 (4.7) | 508 | 16.2 (13.4) |
3+ | 101 | 5.1 (5.3) | 101 | 4.7 (6.3) | 100 | 22.1 (15.4) |
P | Â | 0.084 | Â | < 0.01 | Â | < 0.01 |
Median MS duration group | Â | Â | Â | Â | Â | Â |
Below median (3.2) | 439 | 3.6 (4.2) | 435 | 2.3 (4.1) | 435 | 14.5 (13.3) |
Above median (3.2) | 439 | 4.3 (4.4) | 439 | 3.8 (5.0) | 429 | 19.1 (14.1) |
P | Â | < 0.01 | Â | < 0.01 | Â | < 0.01 |