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Table 6 Variables considered at the time of randomisation.

From: Temporary epicardial cardiac resynchronisation versus conventional right ventricular pacing after cardiac surgery: study protocol for a randomised control trial

Parameter Reference
LV size ≤ 60 mm > 60 mm
QRS duration ≤ 120 msec > 120 msec
Euroscore ≤ 10 > 10
Intra-aortic balloon pump No Yes
Valve surgery No Yes
Ejection fraction ≤ 20% > 20%