Table 5.

Multivariate cox survival regression analyses of stent expansion for prognosis.

	HR	p	Confidence interval
Stent expansion (per 1%)
MACE	0.97	0.13	0.83–1.16
MACE (over-expansion excluded)	0.95	0.03	0.82–0.98
No-reflow	1.02	0.28	0.87–1.21
Optimal-expansion
MACE	0.75	0.08	0.50–1.12
No-reflow	0.59	0.09	0.48–1.19
Under-expansion
MACE	0.82	0.43	0.55–1.20
No-reflow	0.35	0.16	0.04–1.34
Over-expansion
MACE	1.45	0.007	1.22–1.56
No-reflow	1.27	0.02	1.20–2.52
70%≤stent expansion <80%
MACE	1.11	0.08	0.93–1.51
No-reflow	1.43	0.08	0.58–1.67
Stent expansion <70%
MACE	1.36	0.04	1.09–1.58
No-reflow	1.74	0.06	0.73–2.28