BMC Sports Science, Medicine and Rehabilitation

Table 2 ⊿CAVI, SBP, HRV, cTn-T, NT-proBNP values before and after exercise

From: Acute effects of resistance-type and cycling-type high-intensity interval training on arterial stiffness, cardiac autonomic modulation and cardiac biomarkers

	C-HIIT	R-HIIT		P
	C-HIIT	R-HIIT	Interaction effect	Group	Time
⊿CAVI
Pre	6.24 ± 0.67	6.29 ± 0.72
0-min Post	5.36 ± 0.64^*#	4.76 ± 0.66^*#	0.019	0.464	< 0.001
30-min Post	5.52 ± 0.74^#	5.48 ± 0.78^#
SBP (mmHg)
Pre	123 ± 10	124 ± 14
0-min Post	129 ± 11^#	126 ± 10^#	0.179	0.580	0.001
30-min Post	124 ± 9	120 ± 9
lnHF (ms)
Pre	7.22 ± 0.97	7.11 ± 0.75
0-min Post	4.59 ± 1.00^#	4.01 ± 1.45^#	0.519	0.313	< 0.001
30-min Post	6.41 ± 0.89^#	5.94 ± 1.34^#
lnRMSSD (ms²)
Pre	4.17 ± 0.52	4.07 ± 0.36
0-min Post	2.86 ± 0.50^#	2.56 ± 0.94^#	0.746	0.341	< 0.001
30-min Post	3.70 ± 0.47^#	3.53 ± 0.74^#
LF/HF
Pre	0.88 ± 0.96	1.17 ± 1.03
0-min Post	2.84 ± 2.37^#	1.95 ± 1.52^#	0.105	0.931	0.001
30-min Post	1.26 ± 1.09	1.73 ± 1.53
cTnT(ng/L)
Pre	1.10 ± 1.48	1.10 ± 1.48
5-min Post	1.31 ± 1.84^#	1.47 ± 1.92^#	0.293	0.804	0.023
35-min Post	0.96 ± 1.04	1.28 ± 1.77
NT-proBNP(ng/L)
Pre	93.08 ± 41.63	111.75 ± 35.42
5-min Post	134.07 ± 60.71^#	129.27 ± 33.64^#	0.208	0.789	0.001
35-min Post	109.97 ± 54.10	110.00 ± 30.35

*P < 0.05 significantly different between C-HIIT and R-HIIT, ^#P < 0.05 significantly different from previous; C-HIIT: cycling-type high intensity interval training; R-HIIT: resistance-type high intensity interval training; ⊿CAVI: the average of the right and left cardio-ankle vascular index; SBP: systolic blood pressure; lnHF: the frequency domain variable was the high-frequency; lnRMSSD: the root mean square of successive differences between adjacent normal R-R intervals; cTnT: cardiac troponin-T; NT-proBNP: amino-terminal pro-B-type natriuretic peptide

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