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. Author manuscript; available in PMC: 2019 Sep 1.
Published in final edited form as: Qual Life Res. 2018 May 24;27(9):2443–2451. doi: 10.1007/s11136-018-1880-x

Table 3.

RA patient perceptions of relevance of PROMIS Fatigue short form items (N=32).

Identifier Question Relevance
Very Somewhat Not at all
Fatigue 7a How often… n (%) n (%) n (%)

FATEXP20 …did you feel tired 13 (81%) 2 (13%) 1 (6%)
FATEXP5 …did you experience extreme exhaustion 6 (38%) 8 (50%) 2 (13%)
FATEXP18 …did you run out of energy 10 (63%) 5 (31%) 1 (6%)
FATIMP33 …did your fatigue limit you at work (include work at home) 12 (75%) 4 (25%) 0
FATIMP30 …were you too tired to think clearly 8 (50%) 7 (44%) 1 (6%)
FATIMP21 …were you too tired to take a bath or shower 7 (44%) 5 (31%) 4 (25%)
FATIMP40 …did you have enough energy to exercise strenuously 9 (56%) 7 (44%) 0

Proportion 58% 34% 8%

Fatigue 8a During/In the past 7 days…

HI7 …I feel fatigued 10 (63%) 4 (25%) 2 (13%)
AN3 …I have trouble starting things because I am tired 11 (69%) 3 (19%) 2 (13%)
FATEXP41 …how run down did you feel on average 11 (69%) 4 (25%) 1 (6%)
FATEXP40 …how fatigued were you on average 11 (69%) 4 (25%) 1 (6%)
FATEXP35 …how much were you bothered by your fatigue on average 9 (56%) 5 (31%) 2 (13%)
FATIMP49 …to what degree did fatigue interfere with your physical functioning 13 (81%) 0 3 (19%)
FATIMP3 …how often did you have to push yourself to get things done because of your fatigue 9 (56%) 4 (25%) 3 (19%)
FATIMP16 …how often did you have trouble finishing things because of your fatigue 9 (56%) 3 (19%) 4 (25%)

Proportion 65% 21% 14%