Assertion: qtc prolongation | /r/HasProperty | based on one baseline
Facets:
value: in all studies
type: LOCATION
Source sentences:
text: In addition, in all studies QTc prolongation was based on one baseline ECG and related to outcomes that usually occurred many years later.
text: In addition, they note that 70% of their study population underwent 2 ECGs, whereas "in all studies QTc prolongation was based on one baseline ECG and related to outcomes that usually occurred many years later" -- such as the Framingham study.