Table 2

PSQI, ESS and CIS fatigue score in patients with myotonic dystrophy types 1 (DM1) and 2 (DM2) and in population controls

DM2DM1Controlsp Valuep Valuep Value
(ANOVA)(DM2–DM1)(DM2–controls)
No292965
PSQI6.5±3.06.2±3.74.3±3.00.0030.7850.002
PSQI >5 (n (%))19 (65.5)13 (44.8)17 (26.2%)0.0010.113<0.001
ESS4.3±4.59.6±4.15.4±3.9<0.001<0.0010.214
ESS >10 (n (%))2 (6.9)13 (44.8)4 (6.2%)<0.0010.0010.508
CIS fatigue38.7±13.142.9±8.521.1±11.1<0.0010.149<0.001
CIS fatigue ≥35 (n (%))19 (65.5)25 (86.2)7 (10.8%)<0.0010.066<0.001
  • Data are shown as mean±SD or n (%).

  • CIS fatigue, Checklist Individual Strength-fatigue score; ESS, Epworth Sleepiness Scale; PSQI, Pittsburgh Sleep Quality Index.