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Table 3 Cardiovascular safety markers, part II

From: Safety of TeaCrine®, a non-habituating, naturally-occurring purine alkaloid over eight weeks of continuous use

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

  1. Abbreviations: PLA Placebo, LD Theacrine Low Dose, HD Theacrine High Dose, G Group, T Time, Ge Gender
  2. Items in bold indicate a significant effect (p < 0.05) was observed