Table 2

Correlations between the (sub)scales

(Sub)scale	1	2	3	4	5	6	7	8	9	10	11	12
All p<0.001.
1 CIS-Total	–	0.92	0.83	0.79	0.77	0.67	0.71	0.78	0.58	0.73	0.66	0.83
2 CIS-Subjective Experience of Fatigue		–	0.65	0.65	0.58	0.65	0.74	0.75	0.49	0.75	0.61	0.76
3 CIS-Reduction of Concentration			–	0.54	0.61	0.56	0.51	0.66	0.64	0.52	0.57	0.71
4 CIS-Reduction of Motivation				–	0.61	0.50	0.51	0.56	0.41	0.52	0.50	0.63
5 CIS-Reduced Level of Physical Activity					–	0.44	0.45	0.54	0.39	0.47	0.42	0.60
6 MBI-Emotional Exhaustion						–	0.61	0.71	0.51	0.66	0.80	0.78
7 WHOQOL-Energy and Fatigue							–	0.69	0.45	0.70	0.57	0.71
8 Fatigue Scale-Total								–	0.78	0.94	0.68	0.82
9 FS-Mental Fatigue									–	0.55	0.48	0.62
10 FS-Physical Fatigue										–	0.62	0.75
11 Need for Recovery											–	0.79
12 Fatigue Assessment Scale (FAS)												–