Assertion: interval prolongation | /r/DefinedAs | qt c
Facets:
Source sentences:
text: QT c interval prolongation was defined as QT c interval >500 ms or increase in QT c of ≥60 ms from baseline; for patients who presented with QT c >500 ms, QT c prolongation was defined solely as increase in
text: Corrected QT (QT c ) interval prolongation (defined as QT c >500 ms or an increase of >60 ms from baseline) occurred in 274 (30.4%) and 90 (30.0%) patients in the development group and validation group, respectively.