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Table 2 Evaluation of the echocardiographic variables of the two groups

From: The role of left atrio-ventricular coupling index and left atrial ejection fraction in predicting onset of atrial fibrillation and adverse cardiac events in hypertrophic cardiomyopathy

 

Total (n = 141)

HCM-AF (n = 35)

HCM no-AF (n = 106)

P value

LVEDV, ml (± sd)

94 (21.9)

92.8 (24.8)

94.4 (21)

0.70

LVEDD, mm (± sd)

42.2 (4.6)

42 (5)

42.3 (4.4)

0.77

LVESV, ml (± sd)

32.9 (10.2)

33.5 (12.9)

32.8 (9.3)

0.71

LVEF, % (± sd)

64.4 (5.4)

63.8 (6.5)

64.(5)

0.47

LVthick, mm(± sd)

18.7 (4.4)

20.1 (5.5)

18.1 (3.8)

0.004*

LAD, mm (± sd)

39.2 (5.5)

41.9 (5.1)

38.3 (5.4)

0.001*

LAVmax, ml (± sd)

79.7 (27.1)

86.6 (23.7)

77.3 (27.8)

0.013*

LAA, cmq (± sd)

23.7 (5.2)

25.7 (4.8)

23.1 (5.3)

0.004*

LAVmin, ml (± sd)

44 (21.2)

55.3 (19)

40.3 (20.8)

< 0.001*

LAEF, % (± sd)

46 (12)

37 (10)

49 (11)

< 0.001*

LACI (± sd)

48 (21)

62 (20)

43 (19)

< 0.001*

E vel, cm/s (± sd)

81 (25)

81 (24)

82 (25)

0.82

A vel, cm/s (± sd)

70 (30)

61 (28)

74 (30)

0.042*

DT, ms(± sd)

213 (71.9)

211 (75)

214 (71)

0.84

E/e’ (± sd)

14.1 (7.4)

16.2 (8.6)

23.5 (6.8)

0.08

TAPSE, mm (± sd)

22 (3.4)

22 (2.7)

22 (3.6)

0.46

SPAP, mmHg (± sd)

32 (10.8)

33 (10.2)

31 (11.1)

0.44

LVOT grad, mmHg (± sd)

25 (29.8)

24 (30)

26 (29.9)

0.79

MR -/1 + /2 + 

56/64/21

12/14/10

44/50/11

0.15

AR -/1 + /2 + /3 + /4 + 

122/15/4/-/-

28/6/1/-/-

94/9/3/-/-

0.35

TR -/1 + /2 + /3 + /4 + 

89/44/8/-/-

25/7/3/-/-

64/37/5/-/-

0.22

  1. AR aortic regurgitation, DT deceleration time, LAA left atrium area, LACI left atrioventricular coupling index, LAD left atrium diameter, LAEF left atrium ejection fraction, LAVmax maximal left atrium volume, LAVmin minimal left atrium volume, LVEDD left ventricular end-diastolic diameter, LVEDV left ventricular end-diastolic volume, LVEF left ventricular ejection fraction, LVESV left ventricular end-systolic volume, LVOT left ventricular outflow tract, LVthick left ventricular thickness, MR mitral regurgitation, SPAP systolic pulmonary artery pressure, TAPSE tricuspid annular plane systolic excursion, TR tricuspid regurgitation
  2. *p values correspond to statistically significant result with p < 0.05