Table 2 Echocardiographic and cardiovascular magnetic resonance data of male and female patients with hypertrophic cardiomyopathy
Variable | Male (n = 243) | Female (n = 169) | p value | ||
|---|---|---|---|---|---|
Echocardiography | |||||
 Systolic anterior motion, n (%) | 215 (88.5%) | 156 (92.3%) | 0.242 | ||
 LVOT obstruction, n (%) | 241 (99.2%) | 168 (99.4%) | 1.000 | ||
 Severe mitral regurgitation, n (%) | 13 (5.3%) | 11 (6.5%) | 0.672 | ||
 LVOTG at rest (mmHg) | 64.3 ± 35.4 | 79.6 ± 35.9 | <0.001 | ||
 LVOTG after provocation (mmHg)a | 82.1 ± 31.4 | 66.3 ± 28.7 | 0.031 | ||
Cardiovascular magnetic resonance | |||||
 Left atrium diameter (mm) | 42.1 ± 8.1 | 42.8 ± 8.1 | 0.362 | ||
 LV end-diastolic diameter (mm) | 46.8 ± 5.0 | 45.0 ± 5.2 | <0.001 | ||
 Maximum wall thickness (mm) | 25.3 ± 5.5 | 23.4 ± 4.9 | <0.001 | ||
 LV ejection fraction (%) | 67.8 ± 8.0 | 69.1 ± 7.6 | 0.097 | ||
 LV end-diastolic volume (mL) | 135.0 ± 34.4 | 114.3 ± 27.1 | <0.001 | ||
 LV end-systolic volume (mL) | 44.7 ± 18.9 | 36.4 ± 15.4 | <0.001 | ||
 Stroke volume (mL) | 91.1 ± 23.6 | 78.4 ± 17.6 | <0.001 | ||
 Cardiac output (L/min) | 6.3 ± 1.8 | 5.3 ± 1.3 | <0.001 | ||
 LV mass (g) | 181.3 ± 73.7 | 128.6 ± 54.2 | <0.001 | ||
 LV end-diastolic volume index (mL/m2) | 72.5 ± 16.4 | 70.1 ± 15.2 | 0.140 | ||
 LV end-systolic volume index (mL/m2) | 23.7 ± 9.3 | 22.0 ± 8.7 | 0.075 | ||
 Stroke volume index (mL/m2) | 48.9 ± 11.3 | 48.1 ± 9.9 | 0.502 | ||
 Cardiac index (L/min/m2) | 3.4 ± 0.9 | 3.3 ± 0.8 | 0.306 | ||
 LV mass index (g/m2) | 96.8 ± 37.6 | 78.6 ± 31.5 | <0.001 | ||