Table 3

Survival Time Versus HMRS by Device Type

HR95% CIp Valuep Value for HMRS by Device Type Interaction Test
90-day
 Axial1.3291.270–1.392<0.00010.577
 Centrifugal1.2771.120–1.4560.0003
1-yr
 Axial1.2761.230–1.323<0.00010.79
 Centrifugal1.2571.141–1.386<0.0001
2-Year
 Axial1.2501.210–1.291<0.00010.91
 Centrifugal1.2451.134–1.367<0.0001

HR = hazard ratio; other abbreviations as in Tables 1 and 2.