Table 4

Univariable and multivariable Cox analysis for clinical events

UnivariableMultivariable
HR (95% CI)p ValueHR (95% CI)p Value
Age, years1.05 (1.02 to 1.08)0.0011.03 (0.99 to 1.06)0.107
a′, cm/s0.81 (0.68 to 0.96)0.0160.93 (0.76 to 1.13)0.449
E/e′ ratio1.08 (1.04 to 1.13)<0.0011.00 (0.95 to 1.07)0.919
Left atrial volume index, mL/m21.04 (1.03 to 1.05)<0.0010.91 (0.67 to 1.24)0.198
Maximal apical thickness, cm1.40 (1.11 to 1.75)0.0040.56 (0.02 to 8.50)0.404
Ratio of systolic obliteration to cavity9.35 (5.28 to 20.4)<0.0014.30 (2.14 to 9.39)<0.001
Rate of obliteration2.92 (1.91 to 4.46)<0.0011.20 (0.68 to 2.10)0.529
  • a′, late diastolic septal mitral annular velocity of tissue Doppler.

  • Events comprising the occurrence of new onset of atrial fibrillation, stroke, heart failure, and cardiovascular death.