Table 1 Baseline demographics of the population studied, including subgroups (males, females, AF and sinus rhythm).

From: Left ventricular T1-mapping in diastole versus systole in patients with mitral regurgitation

 

All patients (N = 103)

Males (N = 66)

Females (N = 37)

P value

Permanent AF (N = 20)

Sinus Rhythm (N = 83)

P value (95% CI)

Mean age (years)

62 ± 15

64 ± 13

58 ± 17

0.055

70 ± 9

60 ± 16

0.008*

Male Sex

66 (64%)

14 (70%)

53 (64%)

0.605

BMI (kg/m2)

25 ± 4

26 ± 4

24 ± 5

0.029*

27 ± 4

25 ± 4

0.047*

Smoking history

41 (40%)

31 (46%)

9 (28%)

0.068

8 (40%)

33 (40%)

0.984

Permanent AF

20 (19%)

14 (21%)

6 (17%)

0.605

20 (100%)

0 (0%)

Diabetes

2 (2%)

0 (0%)

2 (6%)

0 (0%)

2 (2%)

Hypertension

34 (33%)

25 (33%)

9 (25%)

0.205

9 (45%)

25 (30%)

0.204

NYHA class

1.4 ± 0.6

1.4 ± 0.6

1.5 ± 0.7

0.449

1.7 ± 0.7

1.4 ± 0.6

0.055

eGFR (ml/min/1.73m2)

74 (63–86)

76 (65–84)

71 (57–91)

0.637

58 (51–75)

78 (67–87)

0002*

NT-proBNP (ng/L)

203 (108–596)

211 (93–474)

195 (108–812)

0.568

2161 (837–2463)

174 (70–279)

< 0.001*

LVEDVi (ml/m2)

99 ± 24

106 ± 24

87 ± 20

< 0.001*

102 ± 30

98 ± 23

0.451

LVESVi (ml/m2)

32 ± 12

34 ± 12

29 ± 10

0.026*

41 ± 14

30 ± 10

< 0.001

LVEF (%)

68 ± 8

68 ± 8

67 ± 7

1.00

60 ± 14

70 ± 7

< 0.001*

LVMi (g/m2)

65 ± 14

71 ± 12

54 ± 12

< 0.001*

67 ± 14

65 ± 15

0.508

Haematocrit (L/L)

0.40 ± 0.04

0.40 ± 0.04

0.39 ± 0.04

0.227

0.40 ± 0.04

0.40 ± 0.04

1.0

  1. Values represent mean ± standard deviation or median (IQR).
  2. BMI body mass index, AF atrial fibrillation, NYHA New York Heart Association, eGFR estimated glomerular filtration rate, NT-proBNP N-terminal pro B-type natriuretic peptide.
  3. P values with a * denotes statistical significance.