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Table 1 Demographic and clinical characteristics of the obstructive hypertrophic cardiomyopathy patients according to gender

From: Gender-related differences in the association between serum uric acid and left ventricular mass index in patients with obstructive hypertrophic cardiomyopathy

Variable

Male (n = 99)

Female (n = 62)

p value

Age (years)

45.4 ± 10.0

50.1 ± 11.5

0.008

Body mass index (kg/m2)

26.3 ± 3.4

24.6 ± 3.0

0.004

Hypertension

26 (26 %)

22 (36 %)

0.213

Diabetes mellitus

5 (5 %)

1 (2 %)

0.488

Dyslipidemia

32 (32 %)

15 (24 %)

0.27

Current smokers

57 (58 %)

2 (3 %)

<0.001

Duration of obstructive HC (months)

12 (2–48)

12 (2–48)

0.729

NYHA functional class

  

0.636

 I

4 (4 %)

5 (8 %)

 

 II

10 (10 %)

4 (7 %)

 

 III

71 (72 %)

41 (66 %)

 

 IV

14 (14 %)

12 (19 %)

 

Syncope

30 (30 %)

23 (37 %)

0.372

Family history of HC

20 (20 %)

16 (26 %)

0.406

Family history of sudden death

11 (11 %)

6 (10 %)

0.773

Systolic blood pressure (mmHg)

117.2 ± 16.1

117.5 ± 19.3

0.902

Diastolic blood pressure (mmHg)

73.8 ± 11.1

71.6 ± 11.2

0.226

Heart rate (beats/min)

68.6 ± 9.9

70.8 ± 12.8

0.252

Atrial fibrillation

7 (7 %)

6 (10 %)

0.555

Non-sustained ventricular tachycardiaa

4 (5 %)

5 (10 %)

0.433

Medications

   

 Beta-blockers

79 (80 %)

45 (73 %)

0.289

 Calcium antagonists

26 (26 %)

25 (40 %)

0.062

 Amiodarone

5 (5 %)

2 (3 %)

0.877

 ACEI/ARB

11 (11 %)

14 (23 %)

0.051

 Statins

10 (10 %)

8 (13 %)

0.583

 Aspirin

25 (25 %)

15 (24 %)

0.880

 Diuretics

4 (4 %)

5 (8 %)

0.466

Laboratory data

   

 Serum creatinine (μmol/L)

77.2 ± 11.3

60.1 ± 11.2

<0.001

 eGFR (mL/min/1.73 m2)

101.7 ± 12.8

99.8 ± 14.6

0.386

 Blood glucose (mmol/L)

4.85 ± 0.59

4.85 ± 0.62

0.978

 HbA1c (%)

5.59 ± 0.53

5.60 ± 0.52

0.993

 Total cholesterol (mmol/L)

4.62 ± 1.01

4.54 ± 1.00

0.604

 HDL cholesterol (mmol/L)

1.07 ± 0.25

1.26 ± 0.30

<0.001

 LDL cholesterol (mmol/L)

2.89 ± 0.92

2.76 ± 0.75

0.380

 Triglycerides (mmol/L)

1.69 ± 0.93

1.52 ± 0.83

0.251

 hs-CRP (mg/L)

1.25 (0.60–2.14)

0.96 (0.40–1.94)

0.318

 NT-proBNP (pmol/L)

1154.1 (775.5–1692.5)

1811.9 (869.6–2816.0)

0.002

 Serum uric acid (μmol/L)

381.2 ± 86.4

309.0 ± 69.3

<0.001

Echocardiography

   

 Systolic anterior motion

94 (95 %)

58 (94 %)

0.981

 Moderate or severe mitral regurgitation

36 (36 %)

25 (40 %)

0.614

 LVOTG at rest (mmHg)

77.9 ± 32.5

79.7 ± 32.5

0.735

 LVOTG after provocation (mmHg)b

95.7 ± 28.9

87.8 ± 15.8

0.312

 LVOTG at rest ≥30 mmHg

93 (94 %)

57 (92 %)

0.865

Cardiac magnetic resonance

   

 Left atrium diameter (mm)

39.8 ± 7.6

40.7 ± 7.9

0.483

 LV end-diastolic diameter (mm)

46.4 ± 4.1

44.7 ± 4.1

0.010

 Maximum wall thickness (mm)

23.5 ± 4.4

23.0 ± 5.4

0.543

 Maximum wall thickness ≥30 mm

8 (8 %)

5 (8 %)

0.997

 LV ejection fraction (%)

72.2 ± 7.2

72.0 ± 7.3

0.893

 LV mass (g)

180.6 ± 64.9

137.4 ± 53.3

<0.001

 LV end-diastolic volume index (mL/m2)

65.1 ± 14.1

63.9 ± 13.9

0.61

 LV end-systolic volume index (mL/m2)

18.1 ± 6.1

18.1 ± 7.0

0.976

 Stroke volume index (mL/m2)

47.0 ± 11.3

45.8 ± 9.6

0.496

 Cardiac index (L/min/m2)

3.12 ± 0.77

3.13 ± 0.81

0.925

 LV mass index (g/m2)

96.2 ± 32.1

84.4 ± 32.4

0.025

  1. Data are expressed as mean ± SD, number (percentage), or median (interquartile range)
  2. ACEI angiotensin-converting enzyme inhibitor, ARB angiotensin receptor blocker, eGFR estimated glomerular filtration rate, HbA1c glycated hemoglobin, HC hypertrophic cardiomyopathy, HDL high-density lipoprotein, hs-CRP high-sensitivity C-reactive protein, LDL low-density lipoprotein, LV left ventricular, LVOTG left ventricular outflow tract gradient, NT-proBNP N-terminal pro-B-type natriuretic peptide, NYHA New York Heart Association
  3. aAmbulatory 24-h Holter monitoring results were available in 127 of the 161 study patients
  4. bLVOTG was provoked in 50 of the 161 study patients