General
|
Age, years
|
69 (62–75)
|
Male sex, n (%)
|
21 (84)
|
Hypertension, n (%)
|
20 (80)
|
Diabetes mellitus, n (%)
|
9 (36)
|
Family history of CAD, n (%)
|
11 (44)
|
Current smoking, n (%)
|
2 (8)
|
Symptoms
|
None
|
2 (8)
|
Angina
|
14 (56)
|
Typical angina
|
12 (48)
|
CCS 1
|
–
|
CCS 2
|
7 (28)
|
CCS 3 and 4
|
5 (20)
|
Atypical angina
|
2 (8)
|
Dyspnea
|
9 (36)
|
NYHA I
|
–
|
NYHA II
|
8 (32)
|
NYHA III/IV
|
1 (4)
|
Known CAD
|
12 (48)
|
Caffeine consumption and serum levels
|
Coffee, cups
|
3 (2–4)
|
Tea, cups
|
4 (2–4)
|
Caffeine level baseline CMR, mg/L
|
< 1
|
Caffeine level follow-up CMR, mg/L
|
4.6 ± 2.3
|
CMR routine parameters
|
LVEF, %
|
64 ± 6
|
LVEDVi, mL/m2
|
130 ± 32
|
LVESVi, mL/m2
|
49 ± 19
|
IVS thickness, mm
|
13 ± 3
|
LA, cm2
|
21 ± 4
|
Ischemic segments (16-segments model)
|
7.4 ± 3.2
|
Days between baseline and follow-up CMR
|
12 (3–14)
|