|
Characteristic, males (n = 200)
|
Derivation cohort (n = 100)
|
Validation cohort (n = 100)
|
p-value
|
|---|
|
Age (years)
|
49 ± 18
|
47 ± 18
|
0.40
|
|
Female sex, n (%)
|
0 (0%)
|
0 (0%)
|
1.0
|
|
Height (cm)
|
181 ± 14
|
180 ± 8
|
0.81
|
|
Weight (kg)
|
86 ± 14
|
85 ± 16
|
0.84
|
|
BSA (m2)
|
2.0 ± 0.3
|
2.1 ± 0.2
|
0.77
|
|
LVEDV (ml)
|
204 ± 64
|
207 ± 68
|
0.67
|
|
LVEDVI (ml/m2)
|
99 ± 29
|
100 ± 36
|
0.96
|
|
LVESV (ml)
|
103 ± 62
|
101 ± 64
|
0.71
|
|
LVESVI (ml/m2)
|
50 ± 29
|
49 ± 34
|
0.56
|
|
LVSV (ml)
|
99 ± 27
|
106 ± 24
|
0.047*
|
|
LVSVI (ml/m2)
|
49 ± 16
|
52 ± 11
|
0.02*
|
|
LVEF (%)
|
51 ± 12
|
54 ± 11
|
0.06
|
|
LVM (g)
|
166 ± 45
|
162 ± 51
|
1.0
|
|
LVMI (g/m2)
|
80 ± 20
|
80 ± 21
|
0.78
|
|
ECV (%)
|
27 ± 3
|
27 ± 4
|
0.60
|
|
Hematocrit (%)
|
42 ± 4
|
43 ± 4
|
0.41
|
|
Septal wall thickness (mm)
|
11 ± 2
|
11 ± 2
|
0.58
|
|
Myocardial T1 (ms)
|
1015 ± 39
|
1005 ± 46
|
0.10
|
|
Mean blood R1 (ms−1)
|
0.00066 ± 0.00004
|
0.00066 ± 0.00003
|
0.57
|
|
Mean blood R1* (ms−1)
|
0.00063 ± 0.00004
|
0.00063 ± 0.00004
|
0.98
|
- Characteristics are given as mean ± standard deviations, or percentages as appropriate. p-values refer to comparison of derivation and validation cohort. *marks significant results
