July 2002-Dec 2006

―1045 Patients

Jan 2007-Dec 2015

―3018 Patients

P-value

CONVERSION

1.8%

0.03%

<0.001

Significant

INOTROPIC USE

75%

2%

<0.001

Significant

RENAL FAILURE

3%

0.3%

0.001

Significant

PERI OP MI

1%

0.2%

0.002

Significant

STROKE

0.4%

0.2%

0.292

Not Significant

MORTALITY

0.76%

0.36%

0.115

Not Significant

IABP

4 (0.3%)

126 (1.7%)

<0.001

Significant