Skip to main content
. 2019 Oct 26;3:64. doi: 10.1186/s41687-019-0153-y

Table 1.

Summary of Meaningful Change Thresholds

Parameter Threshold for Acceptability Analysis Population Average Number of Daily BMs
Overall Change from Baseline Change from Baseline at Week 12
N ES Mean N ES Mean
Anchor-based Meaningful Change Thresholds
Adequate relief (changed to Yes at Week 12)

Effect Size:

-Small (≥ 0.2)

-Moderate (≥ 0.5)

-Large (≥ 0.8)

ITT 19 −1.20 −1.90 18 −1.58 −2.52
EORTC QLQ-C30 Diarrhea (Responder) ITT 45 −0.83 −1.71 40 −1.24 −2.56
EORTC GI.NET21 GI Symptoms (Responder) ITT 30 −1.25 −1.88 25 −1.49 −2.27
Distribution-based Meaningful Change Thresholds
−1/2 Baseline SD N/A ITT 135 N/A 0.62 108 N/A 0.86

BM Bowel movement, EORTC QLQ-C30 European Organization for Research and Treatment of Cancer Quality of Life Questionnaire - Core Questionnaire, ES Effect size, ITT Intent-to-treat, N/A Not applicable, SD Standard deviation