Symptom Score: A New Instrument to Assess Orthostatic Intolerance in Children and Adolescents.
Hong CaiShuo WangRunmei ZouPing LiuHong YangYuwen WangCheng WangPublished in: Journal of child neurology (2020)
This suggests that the symptom score has some predictive value in head-up tilt test results, which can be served as a preliminary assessment instrument.