Table 2 PMMSA weekly scores (mean [SD])

Tiredness at rest

2.82 (0.66)

2.55 (0.70)

2.69 (0.62)

2.73 (0.65)

2.45 (0.74)

2.63 (0.72)

Tiredness during activities

3.06 (0.63)

2.61 (0.70)

2.94 (0.63)

2.89 (0.73)

2.63 (0.78)

2.77 (0.70)

Muscle weakness at rest

2.49 (0.71)

2.29 (0.77)

2.51 (0.75)

2.54 (0.69)

2.28 (0.68)

2.49 (0.74)

Muscle weakness during activities

2.93 (0.71)

2.54 (0.74)

2.86 (0.73)

2.87 (0.75)

2.63 (0.77)

2.79 (0.65)

Balance problems

2.53 (0.78)

2.44 (0.82)

2.51 (0.80)

2.46 (0.77)

2.38 (0.77)

2.56 (0.76)

Vision problems

2.04 (1.01)

2.06 (0.97)

2.22 (0.99)

2.29 (1.00)

2.17 (0.95)

2.26 (1.02)

Abdominal discomfort

1.82 (0.79)

1.82 (0.67)

1.94 (0.70)

1.90 (0.78)

1.85 (0.78)

1.94 (0.89)

Muscle pain

2.33 (0.94)

2.20 (0.86)

2.34 (0.85)

2.40 (0.94)

2.27 (0.88)

2.47 (0.89)

Numbness

1.70 (0.86)

1.79 (0.92)

1.67 (0.82)

1.84 (0.93)

1.73 (0.74)

1.91 (0.86)

Headache

1.61 (0.70)

1.43 (0.52)

1.67 (0.67)

1.65 (0.71)

1.49 (0.54)

1.71 (0.74)

TSS

23.33 (5.12)

21.74 (5.08)

23.35 (4.63)

23.56 (5.23)

21.88 (5.02)

23.53 (5.29)

4FS

11.30 (2.50)

10.00 (2.77)

11.00 (2.55)

11.02 (2.63)

9.99 (2.84)

10.68 (2.68)

2FS

5.99 (1.30)

5.15 (1.41)

5.80 (1.31)

5.76 (1.45)

5.26 (1.52)

5.56 (1.32)