a trend towards significanceP > 0.076
Initial systolic BP demonstrated a trend towards significance (P > 0.076).
Initial systolic BP demonstrated a trend towards significance (P > 0.076).
Systolic BP between 30 and 49 mm Hg Although an initial systolic BP of 30 - 49 mmHg showed a trend towards significance, specific time periods for BP measurement and IABP initiation were not recorded and therefore, not analyzed.