Characteristic
|
Derivation cohort (n = 200)a
|
Validation cohort (n = 200)a
|
p-value
|
---|
Age (years)
|
51 ± 18
|
48 ± 17
|
0.14
|
Female sex, n (%)
|
100 (50%)
|
100 (50%)
|
1.0
|
Height (cm)
|
173 ± 14
|
174 ± 10
|
0.44
|
Weight (kg)
|
77 ± 16
|
78 ± 18
|
0.79
|
BSA (m2)
|
1.9 ± 0.3
|
1.9 ± 0.2
|
0.95
|
LVEDV (ml)
|
180 ± 63
|
183 ± 63
|
0.56
|
LVEDVI (ml/m2)
|
94 ± 29
|
95 ± 32
|
0.61
|
LVESV (ml)
|
91 ± 57
|
88 ± 57
|
0.81
|
LVESVI (ml/m2)
|
47 ± 28
|
46 ± 29
|
0.95
|
LVSV (ml)
|
89 ± 27
|
95 ± 25
|
0.02*
|
LVSVI (ml/m2)
|
47 ± 14
|
50 ± 11
|
0.01*
|
LVEF (%)
|
52 ± 12
|
54 ± 11
|
0.06
|
LVM (g)
|
138 ± 46
|
137 ± 53
|
0.75
|
LVMI (g/m2)
|
71 ± 19
|
72 ± 23
|
0.95
|
ECV (%)
|
28 ± 4
|
28 ± 4
|
0.51
|
Hematocrit (%)
|
40 ± 4
|
40 ± 5
|
0.71
|
Septal wall thickness (mm)
|
10 ± 2
|
10 ± 2
|
0.45
|
Myocardial T1 (ms)
|
1030 ± 43
|
1023 ± 45
|
0.07
|
Mean blood R1 (ms−1)
|
0.00064 ± 0.00004
|
0.00064 ± 0.00004
|
0.49
|
Mean blood R1* (ms−1)
|
0.00061 ± 0.00005
|
0.00061 ± 0.00005
|
0.98
|
- Characteristics are given as means ± standard deviations, or percentages as appropriate. p-values refer to comparison of mean values between derivation and validation cohort. *marks significant result. aData missing for LV volumes, EF and mass (n = 2), and ECV (n = 4) in the derivation cohort. Data missing for ECV (n = 2) in the validation cohort