Table 2 Overview of reviewed fatigue scales, subscales and single fatigue item with published MIDs, n = 28

Chalder Fatigue Scale

CFS

14

0–33

Multidimensional

Chronic Heart Failure Questionnaire, Fatigue subscale

CHQ

4

1–7

Unidimensional subscale

Negative score^a

Chronic Respiratory Questionnaire, Fatigue subscale

CRQ

4

1–7

Unidimensional subscale

Negative score^a

Edmonton Symptom Assessment System, Fatigue item

ESAS Fatigue item

1

0–10

Single item

European Organization for Research and Treatment of Cancer Quality of Life Questionnaire Core 30, Fatigue Subscale

EORTC QLQ-30 Fatigue Subscale

3

0–100

Unidimensional subscale

FACIT-Fatigue Scale

FACIT-Fatigue

13

0–52

Unidimensional scale/subscale, Negative score^a

FACT-An, Fatigue subscale

FACT-An Fatigue

20

0–80

Unidimensional subscale

Fatigue Assessment Scale

FAS

10

10–50

Unidimensional

Fatigue Associated with Depression Questionnaire

FAsD

13

1–5

Multidimensional

Fatigue Impact Scale

FIS

40

0–160

Multidimensional

Fatigue Severity Scale

FSS

9

1–7

Multidimensional

Global RS

GRS

1

0–10

Single item

Immune thrombocytopenic Purpura –Patient Assessment Questionnaire, Fatigue subscale

ITP-PAC

1

0–100

Single item

Multidimensional Assessment of Fatigue

MAF

16

1–50

Multidimensional

Multidimensional Fatigue Inventory

MFI

20

20–100 (4–20 in each subscale)

Multidimensional, (5 subscales: GF, PF, RA, RM and MF)^b

Neurological Fatigue Index for multiple sclerosis

NFI-MS

12

0–30 in SS, 0–24 in PS and 0–12 in CS

Multidimensional,

(3 scales: SS, PS and CS)^c

Perform Questionnaire

PQ

12

12–60

Multidimensional, Negative score^a

Profile of Mood States-Fatigue

POMS-F

7

0–28

Unidimensional subscale

PROMIS Fatigue-17

Fatigue-17

17

17–85

Unidimensional

PROMIS Fatigue-7

Fatigue-7

7

7–35

Unidimensional

Quality of Life Inventory in Epilepsy, Energy/Fatigue subscale

QOLIE-31

4

0–100

Unidimensional subscale

Negative score^a

Schwartz Cancer Fatigue Scale

SCFS

6

6–30

Multidimensional

SF-36 Vitality scale

SF-VT

4

0–100

Unidimensional subscale

Sleep Impact Scale, Energy/Fatigue (E/F), Mental Fatigue (MF) subscales

SIS

5 (E/F)

3 (MF)

0–100

Unidimensional subscales

Negative scores^a

Trial Outcome Index-Fatigue

TOI-F

27

0–108

Multidimensional, Negative score^a

Unidimensional Fatigue Impact Scale

U-FIS

22

0–66

Unidimensional

Visual Analogue Scale 0–10

VAS 0–10

1

0–10

Single item

Visual Analogue Scale 0–100

VAS 0–100

1

0–100

Single item