Fig. 1
From: Classification of gastrointestinal symptom patterns in young adults
Coding Symptom Severity Range from PROMIS T-Score. Note. Symptom severity ratings were based on the recommended PROMIS T-Score ranges, using the mean of 50 and standard deviation (SD) of 10. Normal limits (1) = t-scores < 55; Mild (2) = t-scores between 55 and 60; Moderate (3) = t-scores between 60 and 70; Severe (4) = t-scores > 70. Adapted from http://www.healthmeasures.net/score-and-interpret/interpret-scores/promis