TABLE 3
Plasma Caffeine Concentrations (mg/L)
Subject no.
Baseline
Caffeine
ATP
Dipyridamole
1
<0.1
4.0
3.3
2
<0.1
1.0
2.1
3
<0.1
3.0
3.6
4
<0.1
2.9
5.4
5
0.9
4.2
3.9
6
<0.1
2.1
3.9
7
0.7
5.3
2.3
8
<0.1
1.8
4.9
9
0.3
5.5
2.1
10
0.1
1.3
1.3
Mean ± SD
0.2 ± 0.3
3.1 ± 1.6
*
3.3 ± 1.3
*
↵
*
P
< 0.0001 vs. baseline.