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Table 1 Baseline characteristics of HCM patients and healthy volunteers

From: Prognostic value of fast semi-automated left atrial long-axis strain analysis in hypertrophic cardiomyopathy

Variable Healthy subjects (n = 100) HCM (n = 359) P HCMR Patients without combined outcome (n = 300) HCM Patients with combined outcome (n = 59) P HCM Patients with LA diameter > 41 mm (n = 135) HCM Patients with LA diameter ≤ 41 mm (n = 224) P
Clinical data
 Age, years 47 (36,66) 49 (39,60) 0.746 48 (36,55) 60 (49,69)  < 0.001* 52.3 ± 13.3 45.2 ± 17.3  < 0.001*
 Male gender, n (%) 43 (43.0) 198 (55.2) 0.031* 171 (57.0) 27 (45.7) 0.113 64 (47.4) 134 (59.8) 0.022
 BMI (kg/m2) 22.7 (20.7,24.3) 23.7 (21.5,25.6) 0.004* 23.7 (21.5,25.5) 23.6 (21.3,25.8) 0.754 24.2 (22.2,26.2) 23.3 (20.8,25.4) 0.001*
 BSA (m2) 1.6 ± 0.2 1.7 ± 0.2  < 0.001* 1.7 ± 0.2 1.6 ± 0.2 0.033* 1.7 (1.6,1.8) 1.7 (1.5,1.8) 0.316
 Heart rate (beat/minute) 72 (66,78) 73 (65,77) 0.654 73 (66,76) 71 (63,78) 0.431 73 (65,80) 73 (66,75) 0.164
 Diabetes mellitus, n (%) 24 (6.7) 20 (6.7) 4 (6.8) 1.000 12 (8.9) 12 (5.4) 0.194
 Hypertension, n (%) 82 (22.8) 62 (20.7) 20 (33.9) 0.027* 36 (26.7) 46 (20.5) 0.180
 Obstructive HCM, n (%) 137 (38.2) 103 (34.3) 34 (57.6) 0.001* 67 (49.6) 70 (31.3) 0.001*
 Family history of SCD, n (%) 49 (13.6) 39 (13.0) 10 (16.9) 0.419 18 (13.3) 31 (13.8) 0.892
 History of syncope, n (%) 65 (18.1) 50 (16.7) 15 (25.4) 0.110 24 (17.8) 41 (18.3) 0.900
 CAD, n (%) 27 (7.5) 21 (7.0) 6 (10.2) 0.566 15 (11.1) 12 (5.4) 0.045*
Cardiac medications
  β blocker, n (%) 239 (66.6) 194 (64.7) 45 (76.3) 0.084 102 (75.6) 137 (61.2) 0.005*
  1. BMI  body mass index, BSA  body surface area, CAD coronary artery disease,  HCM  hypertrophic cardiomyopathy,  SCD  sudden cardiac death
  2. *p < 0.05; Data are expressed as mean ± SD, mean with 25th–75th percentiles in parentheses, or as a percentage for categorical variables
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