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Table 2 Correlations between ratings on fatigue and depression, muscular impairment, disease duration and CTG repeat size in patients with DM1 (n = 32)

From: Perceived fatigue in myotonic dystrophy type 1: a case-control study

 

FIS-T

FIS-PS

FIS-PHY

FI-C

BDI-II

.68 **

.68**

.65**

.64 **

BDI-S

.43*

.41*

.47**

.46**

BDI-C

.49**

.50**

.42*

.46**

MIRS

.37*

.40 *

.34

.26

Disease duration (years)

.11

.14

.13

.10

CTG-repeats †

.06

.08

.09

−.11

  1. Note: FIS = Fatigue Impact scale, BDI = Beck Depression Inventory, MIRS = Muscle Impairment Rating Scale. FIS-T = total score, FIS-C = cognitive score, FIS-PS = psychosocial score, FIS-PHY = physical score. BDI-S = BDI somatic dimension, BDI-C = BDI cognitive-affective dimension. * = p < .05, ** = p < .001, † = n = 29