|
Variable
|
T1
|
T2
|
T3
|
Time*group
|
Time*group*gender
|
|---|
|
RR Interval (ms)
|
|
PLA
|
1011 ± 148
|
991 ± 147
|
976 ± 113
|
Time p = 0.23
|
G*T*Ge p = 0.68
|
|
LD
|
1095 ± 240
|
1041 ± 185
|
1035 ± 212
|
G*T p = 0.55
|
|
HD
|
987 ± 213
|
1043 ± 221
|
1007 ± 198
|
|
PR Interval (ms)
|
|
PLA
|
155 ± 25
|
155 ± 18
|
156 ± 20
|
Time p = 0.49
|
G*T*Ge p = 0.42
|
|
LD
|
153 ± 18
|
153 ± 20
|
154 ± 17
|
G*T p = 0.33
|
|
HD
|
150 ± 24
|
144 ± 24
|
143 ± 19
|
|
QRS Duration (ms)
|
|
PLA
|
95 ± 11
|
91 ± 22
|
96 ± 12
|
Time p = 0.32
|
G*T*Ge p = 0.25
|
|
LD
|
93 ± 12
|
93 ± 11
|
94 ± 11
|
G*T p = 0.41
|
|
HD
|
92 ± 13
|
92 ± 12
|
92 ± 12
|
|
QT Interval (ms)
|
|
PLA
|
428 ± 27
|
424 ± 31
|
424 ± 25
|
Time p = 0.33
|
G*T*Ge p = 0.38
|
|
LD
|
427 ± 40
|
424 ± 36
|
419 ± 38
|
G*T p = 0.36
|
|
HD
|
409 ± 26
|
614 ± 904
|
418 ± 38
|
|
QTc Interval (ms)
|
|
PLA
|
429 ± 17
|
426 ± 19
|
427 ± 22
|
Time p = 0.89
|
G*T*Ge p = 0.35
|
|
LD
|
421 ± 24
|
422 ± 22
|
419 ± 23
|
G*T p = 0.33
|
|
HD
|
414 ± 19
|
417 ± 20
|
419 ± 27
|
|
QT Dispersion (ms)
|
|
PLA
|
38 ± 25
|
33 ± 18
|
36 ± 42
|
Time p = 0.78
|
G*T*Ge p = 0.11
|
|
LD
|
35 ± 21
|
51 ± 90
|
38 ± 25
|
G*T p = 0.51
|
|
HD
|
41 ± 27
|
32 ± 21
|
32 ± 27
|
|
P Axis (degrees)
|
|
PLA
|
54 ± 31
|
65 ± 12
|
59 ± 25
|
Time p = 0.66
|
G*T*Ge p = 0.88
|
|
LD
|
52 ± 37
|
53 ± 37
|
53 ± 35
|
G*T
p
= 0.033
|
|
HD
|
61 ± 15
|
54 ± 19
|
59 ± 17
|
|
R Axis (degrees)
|
|
PLA
|
73 ± 32
|
78 ± 26
|
76 ± 33
|
Time p = 0.81
|
G*T*Ge p = 0.13
|
|
LD
|
74 ± 25
|
67 ± 33
|
72 ± 26
|
G*T p = 0.38
|
|
HD
|
85 ± 9
|
84 ± 9
|
84 ± 11
|
|
T Axis (degrees)
|
|
PLA
|
54 ± 20
|
415 ± 1587
|
59 ± 14
|
Time p = 0.15
|
G*T*Ge p = 0.34
|
|
LD
|
61 ± 17
|
438 ± 1653
|
60 ± 17
|
G*T p = 0.90
|
|
HD
|
200 ± 634
|
312 ± 1160
|
60 ± 17
|
- Abbreviations: PLA Placebo, LD Theacrine Low Dose, HD Theacrine High Dose, G Group, T Time, Ge Gender
- Items in bold indicate a significant effect (p < 0.05) was observed
