Table 4.

Independent predictors of the primary end point and the secondary end point at Cox analyses

Event	HR (95% CI)	P
The primary end point
IABP support	2.205 (1.197–4.063)	0.011
Female	2.379 (1.395–4.058)	0.001
Postprocedural TIMI flow 3	0.328 (0.159–0.680)	0.003
The secondary end point
IABP support	1.788 (1.003–3.189)	0.049
Female	2.087 (1.281–3.399)	0.003
Postprocedural TIMI flow 3	0.318 (0.164–0.615)	0.001

HR: Hazard ratio; CI: Confidence interval; TIMI: Thrombolysis in myocardial infarction; IABP: Intra-aortic balloon pump.