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Table 6 Responsiveness of PROMIS Fatigue SF-7a scale: Change from baseline in fatigue score at Week 12

From: Qualitative and psychometric evaluation of the PROMIS®-Fatigue SF-7a scale to assess fatigue in patients with moderately to severely active inflammatory bowel disease

PGIC from baseline to Week 12

CD

UC

N

Mean (SD)

SES

SRM

Guyatt’s

N

Mean (SD)

SES

SRM

Guyatt’s

A lot better

71

-11.5 (8.5)

-1.6

-1.4

-1.6

106

-11.1 (8.4)

-1.3

-1.3

-1.1

Moderately better

63

-6.0 (9.1)

-0.7

-0.7

-0.9

43

-6.4 (8.0)

-0.9

-0.8

-0.6

 A little better

94

-4.3 (6.9)

-0.5

-0.6

-0.6

34

-5.7 (8.1)

-0.6

-0.7

-0.6

No change

74

-1.6 (7.0)

-0.2

-0.2

-0.2

15

0.9 (4.7)

0.1

0.2

0.1

 A little worse to a lot worse

15

-2.4 (11.1)

-0.3

-0.2

-0.3

6

-0.1 (7.9)

-0.03

-0.01

-0.01

  1. CD, Crohn’s disease; Guyatt’s, Guyatt’s responsiveness statistic; PGIC, Patient Global Impression of Change; PROMIS, Patient-Reported Outcomes Measurement Information System; SD, standard deviation; SES, standardized effect size; SF-7a, Short Form-7a; SRM, standardized response mean; UC, ulcerative colitis