From: Psychometric evaluation of the Indolent Systemic Mastocytosis Symptom Assessment Form (ISM-SAF) in a phase 2 clinical study
ISM-SAF biweekly domain
n
Reliabilitya
1/2 SD
SEm
Total Symptom Score
37
0.86
9.53
7.22
Gastrointestinal Symptom Score
0.83
3.48
2.86
Skin Symptom Score
38
0.82
3.76
3.19