Table 2 Spearman’s correlation coefficients (95% CI) between subjective symptom impact and overall QoL

Weakness

0.43^***

0.66^***

0.46^***

0.36^**

0.16

0.41^***

0.86^***

(0.23, 0.60)

(0.51, 0.77)

(0.27, 0.62)

(0.15, 0.54)

(−0.06, 0.37)

(0.20, 0.58)

(0.78, 0.91)

Pain

0.63^***

0.51^***

0.33^**

0.32^**

0.32^**

0.58^***

(0.48, 0.75)

(0.32, 0.66)

(0.12, 0.52)

(0.11, 0.51)

(0.11, 0.51)

(0.41, 0.71)

Fatigue

0.53^***

0.30^**

0.23^*

0.42^***

0.75^***

(0.35, 0.68)

(0.08, 0.49)

(0.01, 0.43)

(0.21, 0.59)

(0.63, 0.83)

Myotonia

0.25^*

0.31^**

0.47^***

0.58^***

(0.03, 0.45)

(0.10, 0.50)

(0.27, 0.62)

(0.41, 0.71)

Droopy eyelids

0.42^***

0.27^*

0.33^**

(0.22, 0.59)

(0.05, 0.47)

(0.12, 0.52)

Double vision

0.23^*

0.21

(0.01, 0.44)

(−0.01, 0.42)

Swallowing difficulty

0.39^***

(0.19, 0.57)