. 2017 Apr 26;6(5):e004448. doi: 10.1161/JAHA.116.004448

Table 1.

Baseline‐Adjusted ECG and BP Parameters

	Drink	1 Hour	2 Hours	4 Hours	6 Hours	24 Hours
QTc, ms	ED	−1.17±20.7	0.44±18.4	0.83±19.5	−1.33±17.4	1.44±18.3
	C	−5.83±17.7	−10.4±14.8	−3.67±13.2	−5.89±15.3	−4.17±17.4
	P value	0.38	0.02^a	0.35	0.61	0.47
QT, ms	ED	−2.44±16.3	−10.7±20.3	−3.33±20.7	−1.78±22.6	7.56±27.8
	C	−2.44±17.1	−9.33±18.1	−2.67±18.5	−8.67±19.5	3.78±23.7
	P value	0.782	0.89	0.77	0.17	0.85
PR, ms	ED	−1.78±10.47	−5.11±11.4	−6.00±15.7	−6.22±14.7	0.67±11.7
	C	−3.11±10.2	−2.67±11.4	−4.89±10.9	−4.78±9.43	1.77±10.6
	P value	0.86	0.56	0.82	0.68	0.95
QRS, ms	ED	6.17±3.33	4.22±2.73	3.39±4.15	3.22±5.01	1.94±3.69
	C	6.11±4.91	3.28±3.92	3.06±2.90	1.28±3.82	0.78±4.26
	P value	0.82	0.15	0.60	0.24	0.25
HR, bpm	ED	0.33±10.5	3.39±11.04	1.22±11.6	0.17±12.3	−1.50±12.0
	C	−1.28±8.41	−0.61±9.13	−0.22±8.59	0.61±10.1	−2.28±11.1
	P value	0.33	0.07	0.42	0.82	0.71
pSBP, mm Hg	ED	6.00±6.64	4.28±6.17	3.89±5.4	4.72±4.67	−0.81±4.54
	C	7.08±4.37	4.78±4.55	2.25±5.45	0.83±6.09	−1.33±6.15
	P value	0.77	0.97	0.55	0.01^a	1.00
pDBP, mm Hg	ED	4.25±4.01	1.33±3.87	0.28±4.92	1.53±3.70	−0.03±3.76
	C	4.33±4.59	2.72±4.32	1.39±2.77	−0.50±5.85	−1.03±4.65
	P value	0.75	0.37	0.36	0.27	0.40
cSBP, mm Hg	ED	4.28±5.48	2.89±6.03	1.67±5.08	2.28±3.54	−1.44±3.40
	C	3.67±6.11	3.06±4.26	0.33±5.41	−0.33±6.27	−2.00±5.08
	P value	0.78	1.00	0.39	0.08	0.89
cDBP, mm Hg	ED	3.89±3.98	1.50±3.79	−0.06±5.00	1.22±3.44	−0.67±3.56
	C	3.78±4.63	2.17±4.42	1.56±3.33	−0.56±5.71	−1.61±4.17
	P value	0.89	0.67	0.19	0.35	0.58
AI	ED	−2.50±6.48	−1.61±5.70	−3.56±5.67	−3.72±7.61	−2.61±7.21
	C	−0.55±9.39	2.78±9.92	−0.88±9.49	1.50±9.85	2.33±7.18
	P value	0.52	0.11	0.37	0.02^a	0.07

AI indicates augmentation index, corrected to a heart rate (HR) of 75 beats per minute (bpm); C, caffeine; cDBP, central diastolic blood pressure; cSBP, central systolic blood pressure; ED, energy drink; pDBP, peripheral diastolic blood pressure; pSBP, peripheral systolic blood pressure.

P<0.05.