Table 1

Patient Characteristics
Patient number
 Age (years)
 Duration (months)
 PS
 Difficulty in thinking
 Inability to concentrate
1
 39
 132
 8
 2
 2
2
 33
 56
 8
 2
 1
3
 26
 10
 4
 2
 2
4
 31
 37
 2
 1
 1
5
 30
 36
 8
 2
 2
6
 27
 42
 5
 1
 2
7
 27
 100
 7
 1
 1–2
8
 27
 153
 8
 2
 2
9
 37
 17
 4
 1
 1
10
 46
 244
 2
 2
 2
11
 24
 10
 4
 1
 1
12
 34
 10
 7
 2
 2
13
 36
 131
 7
 2
 2
14
 35
 14
 6
 1
 1
15
 46
 56
 8
 2
 2
16
 45
 69
 7
 2
 2

Level of fatigue, difficulty in thinking, inability to concentrate and depression are rated as follows: 2, severe; 1, mild; 0, none. PS, performance status at MRI examination.

Okada et al. BMC Neurology 2004 4:14   doi:10.1186/1471-2377-4-14