Table 4.

Results of Cox proportional hazard regression analysis for the composite endpoint of symptomatic status at last follow-up and septal reduction therapy

Variable	Hazard ratio [95% CI]	p value
Male sex	1.06 [0.62–1.81]	0.84
Negative inotropic therapy*	1.92 [1.04–3.54]	0.04
Peak LVOT velocity (per 10 cm/s)	1.04 [1.01–1.06]	< 0.01
LVOT diameter	0.93 [0.84–1.03]	0.93
Diastolic dysfunction†	1.21 [0.90–1.61]	0.20
Acceleration time (per 10 ms)	1.09 [1.003–1.178]	0.04

*Either β-blockers, non-dihydropyridine calcium channel antagonists or disopyramide. ^†Entered as a linear term. LVOT left ventricular outflow tract