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Journal of Patient-Reported Outcomes

Table 3 2-week diary study, Urgency NRS test–retest reliability

From: Incorporating patient experience into drug development for ulcerative colitis: development of the Urgency Numeric Rating Scale, a patient-reported outcome measure to assess bowel urgency in adults

Test–retest (week 1–week 2)

N

41

ICC†

0.877

95% CI

(0.770, 0.947)

Test–retest (sensitivity)

N

25

ICC†

0.867

95% CI

(0.583, 0.968)

  1. CI confidence interval, ICC intraclass correlation coefficient, N total sample size, NRS numeric rating scale
  2. *ICC and 95% CI were estimated through bootstrap (n = 1000)
  3. †ICC was calculated using the ICC (2,1) model of Shrout and Fleiss (1979)
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