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Table 1 Patient Demographics and Baseline Characteristics

From: Left ventricular remodeling in hypertrophic cardiomyopathy patients with atrial fibrillation

Variable All Patients (n = 394) Patients with AF (n = 50) Patients without AF (n = 344) P value
Age, y 48.5 ± 13.5 53.6 ± 11.7 47.7 ± 13.6 0.002
Male, n (%) 247 (62.7%) 37 (74%) 210 (61%) 0.08
Body surface area, m2 1.8 ± 0.2 1.8 ± 0.3 1.8 ± 0.2 0.41
NYHA class 2.4 ± 0.9 2.5 ± 0.9 2.4 ± 0.9 0.45
Heart rate, beats/min 70.5 ± 10.3 68.6 ± 9.9 70.8 ± 10.4 0.15
SBP (mmHg) 118.7 ± 17.2 120.0 ± 19.0 118.8 ± 15.7 0.63
DBP (mmHg) 73.0 ± 10.3 74.5 ± 10.9 72.7 ± 9.9 0.28
Syncope, n (%) 97 (24.6%) 13 (26%) 84 (24.4%) 0.81
Dyspnea, n (%) 319 (81%) 42 (84%) 277 (80.5%) 0.56
Hypertension, n (%) 116 (29.4%) 18 (36%) 98 (28.5%) 0.28
Diabetes mellitus, n (%) 13 (3.3%) 4 (8%) 9 (2.6%) 0.05
Family history of HCM, n (%) 56 (14.2%) 7 (14%) 49 (14.2%) 0.96
Family history of SCD, n (%) 24 (6.1%) 1 (2%) 23 (6.7%) 0.33
Medications, n (%)
 β-Blockers 261 (66.2%) 36 (72%) 225 (65.4%) 0.36
Echocardiography
 Systolic anterior motion 293 (74.4%) 36 (72%) 257 (74.7%) 0.68
 LVOTPG at rest (mmHg) 74.9 ± 37.1 68.4 ± 46.9 75.9 ± 35.4 0.34
  1. HCM hypertrophic cardiomyopathy, LV left ventricular, LVOTG LV outflow tract gradient, NS not significance; Values are expressed as either mean ± SD or number (percentage)